131321874 has 8 divisors (see below), whose sum is σ = 262643760. Its totient is φ = 43773956.

The previous prime is 131321873. The next prime is 131321887. The reversal of 131321874 is 478123131.

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

131321874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131321873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10943484 + ... + 10943495.

It is an arithmetic number, because the mean of its divisors is an integer number (32830470).

Almost surely, 2^131321874 is an apocalyptic number.

131321874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131321874 is a wasteful number, since it uses less digits than its factorization.

131321874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21886984.

The product of its digits is 4032, while the sum is 30.

The square root of 131321874 is about 11459.5756465936. The cubic root of 131321874 is about 508.2909265230.

The spelling of 131321874 in words is "one hundred thirty-one million, three hundred twenty-one thousand, eight hundred seventy-four".