131366712452 has 6 divisors (see below), whose sum is σ = 229891746798. Its totient is φ = 65683356224.

The previous prime is 131366712409. The next prime is 131366712487. The reversal of 131366712452 is 254217663131.

It can be written as a sum of positive squares in only one way, i.e., 96568048516 + 34798663936 = 310754^2 + 186544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16420839053 + ... + 16420839060.

It is an arithmetic number, because the mean of its divisors is an integer number (38315291133).

Almost surely, 2^131366712452 is an apocalyptic number.

It is an amenable number.

131366712452 is a deficient number, since it is larger than the sum of its proper divisors (98525034346).

131366712452 is a wasteful number, since it uses less digits than its factorization.

131366712452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32841678117 (or 32841678115 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 131366712452 in words is "one hundred thirty-one billion, three hundred sixty-six million, seven hundred twelve thousand, four hundred fifty-two".