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134888404 = 227172511129
BaseRepresentation
bin10000000101000…
…11101111010100
3100101211001002211
420002203233110
5234012412104
621215043204
73225350440
oct1002435724
9311731084
10134888404
116a160722
1239210504
1321c3a831
1413cb3820
15bc96e04
hex80a3bd4

134888404 has 48 divisors (see below), whose sum is σ = 287038080. Its totient is φ = 54144000.

The previous prime is 134888393. The next prime is 134888431. The reversal of 134888404 is 404888431.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118912 + ... + 120040.

It is an arithmetic number, because the mean of its divisors is an integer number (5979960).

Almost surely, 2134888404 is an apocalyptic number.

134888404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134888404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143519040).

134888404 is an abundant number, since it is smaller than the sum of its proper divisors (152149676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134888404 is a wasteful number, since it uses less digits than its factorization.

134888404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 134888404 is about 11614.1467185498. The cubic root of 134888404 is about 512.8513920909.

The spelling of 134888404 in words is "one hundred thirty-four million, eight hundred eighty-eight thousand, four hundred four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 251 476 502 1004 1129 1757 2258 3514 4267 4516 7028 7903 8534 15806 17068 19193 29869 31612 38386 59738 76772 119476 134351 268702 283379 537404 566758 1133516 1983653 3967306 4817443 7934612 9634886 19269772 33722101 67444202 134888404