1136977831 has 12 divisors (see below), whose sum is σ = 1250608576. Its totient is φ = 1032894720.

The previous prime is 1136977823. The next prime is 1136977859. The reversal of 1136977831 is 1387796311.

It is not a de Polignac number, because 1136977831 - 2³ = 1136977823 is a prime.

It is a super-2 number, since 2×1136977831² = 2585437176370929122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136977811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253450 + ... + 257896.

Almost surely, 2^1136977831 is an apocalyptic number.

1136977831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1136977831 is a deficient number, since it is larger than the sum of its proper divisors (113630745).

1136977831 is a wasteful number, since it uses less digits than its factorization.

1136977831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582 (or 6571 counting only the distinct ones).

The product of its digits is 190512, while the sum is 46.

The square root of 1136977831 is about 33719.1018711946. The cubic root of 1136977831 is about 1043.7199840006.

The spelling of 1136977831 in words is "one billion, one hundred thirty-six million, nine hundred seventy-seven thousand, eight hundred thirty-one".