155764136 has 32 divisors (see below), whose sum is σ = 319589280. Its totient is φ = 70584000.

The previous prime is 155764123. The next prime is 155764163. The reversal of 155764136 is 631467551.

It is a self number, because there is not a number n which added to its sum of digits gives 155764136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27986 + ... + 33086.

It is an arithmetic number, because the mean of its divisors is an integer number (9987165).

Almost surely, 2^155764136 is an apocalyptic number.

It is an amenable number.

155764136 is an abundant number, since it is smaller than the sum of its proper divisors (163825144).

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

155764136 is a wasteful number, since it uses less digits than its factorization.

155764136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465 (or 5461 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 155764136 is about 12480.5503083798. The cubic root of 155764136 is about 538.0498196472.

The spelling of 155764136 in words is "one hundred fifty-five million, seven hundred sixty-four thousand, one hundred thirty-six".