131463605456 has 20 divisors (see below), whose sum is σ = 257232627204. Its totient is φ = 65080992000.

The previous prime is 131463605431. The next prime is 131463605479. The reversal of 131463605456 is 654506364131.

It can be written as a sum of positive squares in 2 ways, for example, as 71869031056 + 59594574400 = 268084^2 + 244120^2 .

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, 40674005 + ... + 40677236.

Almost surely, 2^131463605456 is an apocalyptic number.

131463605456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131463605456 is a deficient number, since it is larger than the sum of its proper divisors (125769021748).

131463605456 is a wasteful number, since it uses less digits than its factorization.

131463605456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81351350 (or 81351344 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 131463605456 its reverse (654506364131), we get a palindrome (785969969587).

The spelling of 131463605456 in words is "one hundred thirty-one billion, four hundred sixty-three million, six hundred five thousand, four hundred fifty-six".