157040513 has 16 divisors (see below), whose sum is σ = 185717760. Its totient is φ = 129945600.

The previous prime is 157040501. The next prime is 157040519. The reversal of 157040513 is 315040751.

157040513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 157040513 - 2⁶ = 157040449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157040519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138533 + ... + 139661.

It is an arithmetic number, because the mean of its divisors is an integer number (11607360).

Almost surely, 2^157040513 is an apocalyptic number.

It is an amenable number.

157040513 is a deficient number, since it is larger than the sum of its proper divisors (28677247).

157040513 is a wasteful number, since it uses less digits than its factorization.

157040513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 157040513 is about 12531.5806265610. The cubic root of 157040513 is about 539.5154695779.

The spelling of 157040513 in words is "one hundred fifty-seven million, forty thousand, five hundred thirteen".