1137931057 has 4 divisors (see below), whose sum is σ = 1204868196. Its totient is φ = 1070993920.

The previous prime is 1137931051. The next prime is 1137931061. The reversal of 1137931057 is 7501397311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1031758641 + 106172416 = 32121^2 + 10304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137931057 - 2¹⁹ = 1137406769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137931051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33468544 + ... + 33468577.

It is an arithmetic number, because the mean of its divisors is an integer number (301217049).

Almost surely, 2^1137931057 is an apocalyptic number.

1137931057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1137931057 is a deficient number, since it is larger than the sum of its proper divisors (66937139).

1137931057 is an equidigital number, since it uses as much as digits as its factorization.

1137931057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66937138.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 1137931057 is about 33733.2337169148. The cubic root of 1137931057 is about 1044.0115825088.

It can be divided in two parts, 11379 and 31057, that added together give a square (42436 = 206²).

The spelling of 1137931057 in words is "one billion, one hundred thirty-seven million, nine hundred thirty-one thousand, fifty-seven".