131711974 has 4 divisors (see below), whose sum is σ = 197567964. Its totient is φ = 65855986.

The previous prime is 131711969. The next prime is 131711981. The reversal of 131711974 is 479117131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32927992 + ... + 32927995.

It is an arithmetic number, because the mean of its divisors is an integer number (49391991).

Almost surely, 2^131711974 is an apocalyptic number.

131711974 is a deficient number, since it is larger than the sum of its proper divisors (65855990).

131711974 is an equidigital number, since it uses as much as digits as its factorization.

131711974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65855989.

The product of its digits is 5292, while the sum is 34.

The square root of 131711974 is about 11476.5837251335. The cubic root of 131711974 is about 508.7937325143.

The spelling of 131711974 in words is "one hundred thirty-one million, seven hundred eleven thousand, nine hundred seventy-four".