131622674 has 4 divisors (see below), whose sum is σ = 197434014. Its totient is φ = 65811336.

The previous prime is 131622649. The next prime is 131622679. The reversal of 131622674 is 476226131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476226131 = 4241 ⋅112291.

It can be written as a sum of positive squares in only one way, i.e., 97318225 + 34304449 = 9865^2 + 5857^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131622674.

It is not an unprimeable number, because it can be changed into a prime (131622679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32905667 + ... + 32905670.

Almost surely, 2^131622674 is an apocalyptic number.

131622674 is a deficient number, since it is larger than the sum of its proper divisors (65811340).

131622674 is an equidigital number, since it uses as much as digits as its factorization.

131622674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65811339.

The product of its digits is 12096, while the sum is 32.

The square root of 131622674 is about 11472.6925348847. The cubic root of 131622674 is about 508.6787200592.

The spelling of 131622674 in words is "one hundred thirty-one million, six hundred twenty-two thousand, six hundred seventy-four".