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136238080 = 2105114159
BaseRepresentation
bin10000001111011…
…01010000000000
3100111100121111211
420013231100000
5234334104310
621304015504
73243001366
oct1007552000
9314317454
10136238080
116a9a2760
1239761594
13222c0c64
1414145636
15be61c8a
hex81ed400

136238080 has 176 divisors, whose sum is σ = 371407680. Its totient is φ = 47513600.

The previous prime is 136238077. The next prime is 136238161. The reversal of 136238080 is 80832631.

It is a tau number, because it is divible by the number of its divisors (176).

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, 2309091 + ... + 2309149.

Almost surely, 2136238080 is an apocalyptic number.

136238080 is a gapful number since it is divisible by the number (10) 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 136238080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185703840).

136238080 is an abundant number, since it is smaller than the sum of its proper divisors (235169600).

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

136238080 is a wasteful number, since it uses less digits than its factorization.

136238080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 136238080 is about 11672.1069220600. The cubic root of 136238080 is about 514.5562268809.

The spelling of 136238080 in words is "one hundred thirty-six million, two hundred thirty-eight thousand, eighty".