131345425402399 has 16 divisors (see below), whose sum is σ = 149958052599040. Its totient is φ = 114159795655680.

The previous prime is 131345425402319. The next prime is 131345425402441. The reversal of 131345425402399 is 993204524543131.

It is a cyclic number.

It is not a de Polignac number, because 131345425402399 - 2¹⁹ = 131345424878111 is a prime.

It is a super-2 number, since 2×131345425402399² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131345425402319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4404298194 + ... + 4404328015.

It is an arithmetic number, because the mean of its divisors is an integer number (9372378287440).

Almost surely, 2^{131345425402399} is an apocalyptic number.

131345425402399 is a deficient number, since it is larger than the sum of its proper divisors (18612627196641).

131345425402399 is a wasteful number, since it uses less digits than its factorization.

131345425402399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8808626290.

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 131345425402399 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred twenty-five million, four hundred two thousand, three hundred ninety-nine".