131947135234 has 4 divisors (see below), whose sum is σ = 197920702854. Its totient is φ = 65973567616.

The previous prime is 131947135223. The next prime is 131947135261. The reversal of 131947135234 is 432531749131.

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

It can be written as a sum of positive squares in only one way, i.e., 131946930025 + 205209 = 363245^2 + 453^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32986783807 + ... + 32986783810.

Almost surely, 2^131947135234 is an apocalyptic number.

131947135234 is a deficient number, since it is larger than the sum of its proper divisors (65973567620).

131947135234 is an equidigital number, since it uses as much as digits as its factorization.

131947135234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65973567619.

The product of its digits is 272160, while the sum is 43.

The spelling of 131947135234 in words is "one hundred thirty-one billion, nine hundred forty-seven million, one hundred thirty-five thousand, two hundred thirty-four".