131289499770004 has 12 divisors (see below), whose sum is σ = 229975649032500. Its totient is φ = 65582171475008.

The previous prime is 131289499769999. The next prime is 131289499770047. The reversal of 131289499770004 is 400077994982131.

It can be written as a sum of positive squares in 2 ways, for example, as 126098256505104 + 5191243264900 = 11229348^2 + 2278430^2 .

It is a congruent number.

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, 15644597779 + ... + 15644606170.

It is an arithmetic number, because the mean of its divisors is an integer number (19164637419375).

Almost surely, 2^{131289499770004} is an apocalyptic number.

It is an amenable number.

131289499770004 is a deficient number, since it is larger than the sum of its proper divisors (98686149262496).

131289499770004 is a wasteful number, since it uses less digits than its factorization.

131289499770004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31289205002 (or 31289205000 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 131289499770004 in words is "one hundred thirty-one trillion, two hundred eighty-nine billion, four hundred ninety-nine million, seven hundred seventy thousand, four".