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134886465 = 34573971
BaseRepresentation
bin10000000101000…
…11010001000001
3100101210221110000
420002203101001
5234012331330
621215030213
73225342000
oct1002432101
9311727400
10134886465
116a15a21a
123920b369
1321c3999c
1413cb2c37
15bc96560
hex80a3441

134886465 has 80 divisors (see below), whose sum is σ = 282268800. Its totient is φ = 61598880.

The previous prime is 134886461. The next prime is 134886469. The reversal of 134886465 is 564688431.

It is an interprime number because it is at equal distance from previous prime (134886461) and next prime (134886469).

It is not a de Polignac number, because 134886465 - 22 = 134886461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 147382335 it forms an amicable pair .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134886465.

It is not an unprimeable number, because it can be changed into a prime (134886461) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138430 + ... + 139400.

It is an arithmetic number, because the mean of its divisors is an integer number (3528360).

Almost surely, 2134886465 is an apocalyptic number.

134886465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134886465 is an abundant number, since it is smaller than the sum of its proper divisors (147382335).

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

134886465 is an frugal number, since it uses more digits than its factorization.

134886465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 986 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 134886465 is about 11614.0632424660. The cubic root of 134886465 is about 512.8489346926.

The spelling of 134886465 in words is "one hundred thirty-four million, eight hundred eighty-six thousand, four hundred sixty-five".