1136507857 has 16 divisors (see below), whose sum is σ = 1206432000. Its totient is φ = 1067641344.

The previous prime is 1136507849. The next prime is 1136507881. The reversal of 1136507857 is 7587056311.

It is a cyclic number.

It is not a de Polignac number, because 1136507857 - 2³ = 1136507849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136505857) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1602619 + ... + 1603327.

It is an arithmetic number, because the mean of its divisors is an integer number (75402000).

Almost surely, 2^1136507857 is an apocalyptic number.

It is an amenable number.

1136507857 is a deficient number, since it is larger than the sum of its proper divisors (69924143).

1136507857 is a wasteful number, since it uses less digits than its factorization.

1136507857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 1136507857 is about 33712.1321930251. The cubic root of 1136507857 is about 1043.5761556737.

The spelling of 1136507857 in words is "one billion, one hundred thirty-six million, five hundred seven thousand, eight hundred fifty-seven".