131344451539 has 12 divisors (see below), whose sum is σ = 153241841064. Its totient is φ = 112246876224.

The previous prime is 131344451507. The next prime is 131344451593. The reversal of 131344451539 is 935154443131.

It is not a de Polignac number, because 131344451539 - 2⁵ = 131344451507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131344451495 and 131344451504.

It is not an unprimeable number, because it can be changed into a prime (131344451039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3960489 + ... + 3993514.

It is an arithmetic number, because the mean of its divisors is an integer number (12770153422).

Almost surely, 2^131344451539 is an apocalyptic number.

131344451539 is a deficient number, since it is larger than the sum of its proper divisors (21897389525).

131344451539 is an equidigital number, since it uses as much as digits as its factorization.

131344451539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7954354 (or 7954347 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The spelling of 131344451539 in words is "one hundred thirty-one billion, three hundred forty-four million, four hundred fifty-one thousand, five hundred thirty-nine".