131147916 has 12 divisors (see below), whose sum is σ = 306011832. Its totient is φ = 43715968.

The previous prime is 131147903. The next prime is 131147921. The reversal of 131147916 is 619741131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×131147916² = 34399551742286112, which contains 22 as substring.

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, 5464485 + ... + 5464508.

It is an arithmetic number, because the mean of its divisors is an integer number (25500986).

Almost surely, 2^131147916 is an apocalyptic number.

It is an amenable number.

131147916 is an abundant number, since it is smaller than the sum of its proper divisors (174863916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131147916 is a wasteful number, since it uses less digits than its factorization.

131147916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10929000 (or 10928998 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 131147916 is about 11451.9830597150. The cubic root of 131147916 is about 508.0663882898.

The spelling of 131147916 in words is "one hundred thirty-one million, one hundred forty-seven thousand, nine hundred sixteen".