131025974 has 4 divisors (see below), whose sum is σ = 196538964. Its totient is φ = 65512986.

The previous prime is 131025943. The next prime is 131025977. The reversal of 131025974 is 479520131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479520131 = 2897 ⋅165523.

It is a self number, because there is not a number n which added to its sum of digits gives 131025974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131025977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32756492 + ... + 32756495.

It is an arithmetic number, because the mean of its divisors is an integer number (49134741).

Almost surely, 2^131025974 is an apocalyptic number.

131025974 is a deficient number, since it is larger than the sum of its proper divisors (65512990).

131025974 is an equidigital number, since it uses as much as digits as its factorization.

131025974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65512989.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 131025974 is about 11446.6577654790. The cubic root of 131025974 is about 507.9088718883.

The spelling of 131025974 in words is "one hundred thirty-one million, twenty-five thousand, nine hundred seventy-four".