131277916 has 48 divisors (see below), whose sum is σ = 301512960. Its totient is φ = 48453120.

The previous prime is 131277907. The next prime is 131277931. The reversal of 131277916 is 619772131.

It is a super-3 number, since 3×131277916³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5365 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (6281520).

Almost surely, 2^131277916 is an apocalyptic number.

It is an amenable number.

131277916 is an abundant number, since it is smaller than the sum of its proper divisors (170235044).

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

131277916 is a wasteful number, since it uses less digits than its factorization.

131277916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22474 (or 22472 counting only the distinct ones).

The product of its digits is 15876, while the sum is 37.

The square root of 131277916 is about 11457.6575267373. The cubic root of 131277916 is about 508.2342059748.

The spelling of 131277916 in words is "one hundred thirty-one million, two hundred seventy-seven thousand, nine hundred sixteen".