131196136 has 16 divisors (see below), whose sum is σ = 246472740. Its totient is φ = 65470080.

The previous prime is 131196133. The next prime is 131196137. The reversal of 131196136 is 631691131.

It can be written as a sum of positive squares in 2 ways, for example, as 131102500 + 93636 = 11450^2 + 306^2 .

It is a super-2 number, since 2×131196136² = 34424852202660992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131196098 and 131196107.

It is not an unprimeable number, because it can be changed into a prime (131196133) 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, 11571 + ... + 19906.

Almost surely, 2^131196136 is an apocalyptic number.

It is an amenable number.

131196136 is a deficient number, since it is larger than the sum of its proper divisors (115276604).

131196136 is a wasteful number, since it uses less digits than its factorization.

131196136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32004 (or 32000 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 131196136 is about 11454.0881784627. The cubic root of 131196136 is about 508.1286486749.

The spelling of 131196136 in words is "one hundred thirty-one million, one hundred ninety-six thousand, one hundred thirty-six".