57290136 has 32 divisors (see below), whose sum is σ = 151651440. Its totient is φ = 17973248.

The previous prime is 57290131. The next prime is 57290137. The reversal of 57290136 is 63109275.

57290136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57290097 and 57290106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57290131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69801 + ... + 70616.

Almost surely, 2^57290136 is an apocalyptic number.

It is an amenable number.

57290136 is an abundant number, since it is smaller than the sum of its proper divisors (94361304).

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

57290136 is a wasteful number, since it uses less digits than its factorization.

57290136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140443 (or 140439 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 57290136 is about 7569.0247720562. The cubic root of 57290136 is about 385.5019842069.

The spelling of 57290136 in words is "fifty-seven million, two hundred ninety thousand, one hundred thirty-six".