131631926 has 4 divisors (see below), whose sum is σ = 197447892. Its totient is φ = 65815962.

The previous prime is 131631923. The next prime is 131631931. The reversal of 131631926 is 629136131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131631892 and 131631901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131631923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32907980 + ... + 32907983.

It is an arithmetic number, because the mean of its divisors is an integer number (49361973).

Almost surely, 2^131631926 is an apocalyptic number.

131631926 is a deficient number, since it is larger than the sum of its proper divisors (65815966).

131631926 is an equidigital number, since it uses as much as digits as its factorization.

131631926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65815965.

The product of its digits is 5832, while the sum is 32.

The square root of 131631926 is about 11473.0957461358. The cubic root of 131631926 is about 508.6906384345.

The spelling of 131631926 in words is "one hundred thirty-one million, six hundred thirty-one thousand, nine hundred twenty-six".