131764205704 has 8 divisors (see below), whose sum is σ = 247057885710. Its totient is φ = 65882102848.

The previous prime is 131764205701. The next prime is 131764205723. The reversal of 131764205704 is 407502467131.

It can be written as a sum of positive squares in only one way, i.e., 94988472804 + 36775732900 = 308202^2 + 191770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×131764205704² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131764205701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8235262849 + ... + 8235262864.

Almost surely, 2^131764205704 is an apocalyptic number.

It is an amenable number.

131764205704 is a deficient number, since it is larger than the sum of its proper divisors (115293680006).

131764205704 is a wasteful number, since it uses less digits than its factorization.

131764205704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16470525719 (or 16470525715 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 131764205704 in words is "one hundred thirty-one billion, seven hundred sixty-four million, two hundred five thousand, seven hundred four".