131612468 has 36 divisors (see below), whose sum is σ = 262553760. Its totient is φ = 57541536.

The previous prime is 131612423. The next prime is 131612471. The reversal of 131612468 is 864216131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7721 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (7293160).

Almost surely, 2^131612468 is an apocalyptic number.

It is an amenable number.

131612468 is a deficient number, since it is larger than the sum of its proper divisors (130941292).

131612468 is a wasteful number, since it uses less digits than its factorization.

131612468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296 (or 10281 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 131612468 is about 11472.2477309375. The cubic root of 131612468 is about 508.6655720986.

Adding to 131612468 its reverse (864216131), we get a palindrome (995828599).

The spelling of 131612468 in words is "one hundred thirty-one million, six hundred twelve thousand, four hundred sixty-eight".