131813738 has 8 divisors (see below), whose sum is σ = 225966432. Its totient is φ = 56491596.

The previous prime is 131813719. The next prime is 131813743. The reversal of 131813738 is 837318131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131813698 and 131813707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707620 + ... + 4707647.

It is an arithmetic number, because the mean of its divisors is an integer number (28245804).

Almost surely, 2^131813738 is an apocalyptic number.

131813738 is a deficient number, since it is larger than the sum of its proper divisors (94152694).

131813738 is an equidigital number, since it uses as much as digits as its factorization.

131813738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415276.

The product of its digits is 12096, while the sum is 35.

The square root of 131813738 is about 11481.0164184187. The cubic root of 131813738 is about 508.9247344140.

The spelling of 131813738 in words is "one hundred thirty-one million, eight hundred thirteen thousand, seven hundred thirty-eight".