157137790 has 16 divisors (see below), whose sum is σ = 297735120. Its totient is φ = 59546880.

The previous prime is 157137751. The next prime is 157137833. The reversal of 157137790 is 97731751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413331 + ... + 413710.

It is an arithmetic number, because the mean of its divisors is an integer number (18608445).

Almost surely, 2^157137790 is an apocalyptic number.

157137790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157137790 is a deficient number, since it is larger than the sum of its proper divisors (140597330).

157137790 is a wasteful number, since it uses less digits than its factorization.

157137790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827067.

The product of its (nonzero) digits is 46305, while the sum is 40.

The square root of 157137790 is about 12535.4612998485. The cubic root of 157137790 is about 539.6268455376.

The spelling of 157137790 in words is "one hundred fifty-seven million, one hundred thirty-seven thousand, seven hundred ninety".