131403400264 has 8 divisors (see below), whose sum is σ = 246381375510. Its totient is φ = 65701700128.

The previous prime is 131403400229. The next prime is 131403400319. The reversal of 131403400264 is 462004304131.

It can be written as a sum of positive squares in only one way, i.e., 114751562500 + 16651837764 = 338750^2 + 129042^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212712509 + ... + 8212712524.

Almost surely, 2^131403400264 is an apocalyptic number.

It is an amenable number.

131403400264 is a deficient number, since it is larger than the sum of its proper divisors (114977975246).

131403400264 is a wasteful number, since it uses less digits than its factorization.

131403400264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16425425039 (or 16425425035 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131403400264 its reverse (462004304131), we get a palindrome (593407704395).

The spelling of 131403400264 in words is "one hundred thirty-one billion, four hundred three million, four hundred thousand, two hundred sixty-four".