131628916 has 12 divisors (see below), whose sum is σ = 230519520. Its totient is φ = 65766200.

The previous prime is 131628907. The next prime is 131628919. The reversal of 131628916 is 619826131.

It is a super-3 number, since 3×131628916³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131628919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (19209960).

Almost surely, 2^131628916 is an apocalyptic number.

It is an amenable number.

131628916 is a deficient number, since it is larger than the sum of its proper divisors (98890604).

131628916 is a wasteful number, since it uses less digits than its factorization.

131628916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24134 (or 24132 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 131628916 is about 11472.9645689333. The cubic root of 131628916 is about 508.6867610304.

The spelling of 131628916 in words is "one hundred thirty-one million, six hundred twenty-eight thousand, nine hundred sixteen".