9137143857 has 16 divisors (see below), whose sum is σ = 12367686528. Its totient is φ = 5999199360.

The previous prime is 9137143853. The next prime is 9137143859. The reversal of 9137143857 is 7583417319.

It is not a de Polignac number, because 9137143857 - 2² = 9137143853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9137143853) 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, 180483 + ... + 225495.

It is an arithmetic number, because the mean of its divisors is an integer number (772980408).

Almost surely, 2^9137143857 is an apocalyptic number.

It is an amenable number.

9137143857 is a deficient number, since it is larger than the sum of its proper divisors (3230542671).

9137143857 is a wasteful number, since it uses less digits than its factorization.

9137143857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46040.

The product of its digits is 635040, while the sum is 48.

The square root of 9137143857 is about 95588.4085912094. The cubic root of 9137143857 is about 2090.5961881350.

The spelling of 9137143857 in words is "nine billion, one hundred thirty-seven million, one hundred forty-three thousand, eight hundred fifty-seven".