131436616 has 16 divisors (see below), whose sum is σ = 247478400. Its totient is φ = 65442384.

The previous prime is 131436607. The next prime is 131436629. The reversal of 131436616 is 616634131.

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, 32460 + ... + 36283.

It is an arithmetic number, because the mean of its divisors is an integer number (15467400).

Almost surely, 2^131436616 is an apocalyptic number.

It is an amenable number.

131436616 is a deficient number, since it is larger than the sum of its proper divisors (116041784).

131436616 is a wasteful number, since it uses less digits than its factorization.

131436616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68988 (or 68984 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 131436616 is about 11464.5809343386. The cubic root of 131436616 is about 508.4389225312.

The spelling of 131436616 in words is "one hundred thirty-one million, four hundred thirty-six thousand, six hundred sixteen".