131438674 has 8 divisors (see below), whose sum is σ = 197438220. Its totient is φ = 65625936.

The previous prime is 131438669. The next prime is 131438677. The reversal of 131438674 is 476834131.

It can be written as a sum of positive squares in 2 ways, for example, as 107848225 + 23590449 = 10385^2 + 4857^2 .

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

It is a super-2 number, since 2×131438674² = 34552250045756552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131438677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44929 + ... + 47764.

Almost surely, 2^131438674 is an apocalyptic number.

131438674 is a deficient number, since it is larger than the sum of its proper divisors (65999546).

131438674 is an equidigital number, since it uses as much as digits as its factorization.

131438674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93404.

The product of its digits is 48384, while the sum is 37.

The square root of 131438674 is about 11464.6706886853. The cubic root of 131438674 is about 508.4415761851.

The spelling of 131438674 in words is "one hundred thirty-one million, four hundred thirty-eight thousand, six hundred seventy-four".