131660474 has 8 divisors (see below), whose sum is σ = 215444448. Its totient is φ = 59845660.

The previous prime is 131660449. The next prime is 131660491. The reversal of 131660474 is 474066131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131660474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2992262 + ... + 2992305.

It is an arithmetic number, because the mean of its divisors is an integer number (26930556).

Almost surely, 2^131660474 is an apocalyptic number.

131660474 is a deficient number, since it is larger than the sum of its proper divisors (83783974).

131660474 is a wasteful number, since it uses less digits than its factorization.

131660474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984580.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 131660474 is about 11474.3398067166. The cubic root of 131660474 is about 508.7274102903.

The spelling of 131660474 in words is "one hundred thirty-one million, six hundred sixty thousand, four hundred seventy-four".