131634236 has 12 divisors (see below), whose sum is σ = 231774312. Its totient is φ = 65413008.

The previous prime is 131634227. The next prime is 131634259. The reversal of 131634236 is 632436131.

It is a junction number, because it is equal to n+sod(n) for n = 131634199 and 131634208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100295 + ... + 101598.

It is an arithmetic number, because the mean of its divisors is an integer number (19314526).

Almost surely, 2^131634236 is an apocalyptic number.

It is an amenable number.

131634236 is a deficient number, since it is larger than the sum of its proper divisors (100140076).

131634236 is a wasteful number, since it uses less digits than its factorization.

131634236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202060 (or 202058 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 131634236 is about 11473.1964159950. The cubic root of 131634236 is about 508.6936140766.

The spelling of 131634236 in words is "one hundred thirty-one million, six hundred thirty-four thousand, two hundred thirty-six".