131436056 has 8 divisors (see below), whose sum is σ = 246442620. Its totient is φ = 65718024.

The previous prime is 131436049. The next prime is 131436059. The reversal of 131436056 is 650634131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131436059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214746 + ... + 8214761.

Almost surely, 2^131436056 is an apocalyptic number.

It is an amenable number.

131436056 is a deficient number, since it is larger than the sum of its proper divisors (115006564).

131436056 is a wasteful number, since it uses less digits than its factorization.

131436056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16429513 (or 16429509 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 131436056 is about 11464.5565112655. The cubic root of 131436056 is about 508.4382004437.

The spelling of 131436056 in words is "one hundred thirty-one million, four hundred thirty-six thousand, fifty-six".