157959740 has 12 divisors (see below), whose sum is σ = 331715496. Its totient is φ = 63183888.

The previous prime is 157959721. The next prime is 157959743. The reversal of 157959740 is 47959751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157959743) 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 3 ways as a sum of consecutive naturals, for example, 3948974 + ... + 3949013.

It is an arithmetic number, because the mean of its divisors is an integer number (27642958).

Almost surely, 2^157959740 is an apocalyptic number.

157959740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157959740 is an abundant number, since it is smaller than the sum of its proper divisors (173755756).

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

157959740 is a wasteful number, since it uses less digits than its factorization.

157959740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897996 (or 7897994 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 47.

The square root of 157959740 is about 12568.2035311336. The cubic root of 157959740 is about 540.5660958688.

The spelling of 157959740 in words is "one hundred fifty-seven million, nine hundred fifty-nine thousand, seven hundred forty".