131693468 has 12 divisors (see below), whose sum is σ = 230669880. Its totient is φ = 65787792.

The previous prime is 131693467. The next prime is 131693479. The reversal of 131693468 is 864396131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131693467) 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, 9503 + ... + 18806.

It is an arithmetic number, because the mean of its divisors is an integer number (19222490).

Almost surely, 2^131693468 is an apocalyptic number.

It is an amenable number.

131693468 is a deficient number, since it is larger than the sum of its proper divisors (98976412).

131693468 is a wasteful number, since it uses less digits than its factorization.

131693468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29476 (or 29474 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 131693468 is about 11475.7774464304. Note that the first 3 decimals coincide. The cubic root of 131693468 is about 508.7699022895.

The spelling of 131693468 in words is "one hundred thirty-one million, six hundred ninety-three thousand, four hundred sixty-eight".