157935720 has 128 divisors (see below), whose sum is σ = 487347840. Its totient is φ = 40934400.

The previous prime is 157935703. The next prime is 157935761. The reversal of 157935720 is 27539751.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1005882 + ... + 1006038.

It is an arithmetic number, because the mean of its divisors is an integer number (3807405).

Almost surely, 2^157935720 is an apocalyptic number.

157935720 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 157935720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243673920).

157935720 is an abundant number, since it is smaller than the sum of its proper divisors (329412120).

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

157935720 is a wasteful number, since it uses less digits than its factorization.

157935720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 157935720 is about 12567.2479087507. The cubic root of 157935720 is about 540.5386942541.

The spelling of 157935720 in words is "one hundred fifty-seven million, nine hundred thirty-five thousand, seven hundred twenty".