131985974 has 8 divisors (see below), whose sum is σ = 198084000. Its totient is φ = 65957976.

The previous prime is 131985967. The next prime is 131986031. The reversal of 131985974 is 479589131.

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

It is a congruent number.

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, 12509 + ... + 20504.

It is an arithmetic number, because the mean of its divisors is an integer number (24760500).

Almost surely, 2^131985974 is an apocalyptic number.

131985974 is a deficient number, since it is larger than the sum of its proper divisors (66098026).

131985974 is a wasteful number, since it uses less digits than its factorization.

131985974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35014.

The product of its digits is 272160, while the sum is 47.

The square root of 131985974 is about 11488.5148735596. The cubic root of 131985974 is about 509.1463021378.

The spelling of 131985974 in words is "one hundred thirty-one million, nine hundred eighty-five thousand, nine hundred seventy-four".