1131696137 has 32 divisors (see below), whose sum is σ = 1453261824. Its totient is φ = 864921600.

The previous prime is 1131696133. The next prime is 1131696149. The reversal of 1131696137 is 7316961311.

It is a cyclic number.

It is not a de Polignac number, because 1131696137 - 2² = 1131696133 is a prime.

It is a super-2 number, since 2×1131696137² = 2561472293001445538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131696137.

It is not an unprimeable number, because it can be changed into a prime (1131696131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67853 + ... + 82869.

It is an arithmetic number, because the mean of its divisors is an integer number (45414432).

Almost surely, 2^1131696137 is an apocalyptic number.

1131696137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1131696137 is a deficient number, since it is larger than the sum of its proper divisors (321565687).

1131696137 is a wasteful number, since it uses less digits than its factorization.

1131696137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15089.

The product of its digits is 20412, while the sum is 38.

The square root of 1131696137 is about 33640.6916843278. The cubic root of 1131696137 is about 1042.1013163421.

The spelling of 1131696137 in words is "one billion, one hundred thirty-one million, six hundred ninety-six thousand, one hundred thirty-seven".