131930668 has 48 divisors (see below), whose sum is σ = 251080704. Its totient is φ = 60477120.

The previous prime is 131930653. The next prime is 131930677. The reversal of 131930668 is 866039131.

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, 476146 + ... + 476422.

It is an arithmetic number, because the mean of its divisors is an integer number (5230848).

Almost surely, 2^131930668 is an apocalyptic number.

It is an amenable number.

131930668 is a deficient number, since it is larger than the sum of its proper divisors (119150036).

131930668 is a wasteful number, since it uses less digits than its factorization.

131930668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 131930668 is about 11486.1076087594. The cubic root of 131930668 is about 509.0751764503.

Adding to 131930668 its reverse (866039131), we get a palindrome (997969799).

The spelling of 131930668 in words is "one hundred thirty-one million, nine hundred thirty thousand, six hundred sixty-eight".