131244464564 has 12 divisors (see below), whose sum is σ = 239663805024. Its totient is φ = 62769091704.

The previous prime is 131244464551. The next prime is 131244464569. The reversal of 131244464564 is 465464442131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131244464569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713285042 + ... + 713285225.

It is an arithmetic number, because the mean of its divisors is an integer number (19971983752).

Almost surely, 2^131244464564 is an apocalyptic number.

It is an amenable number.

131244464564 is a deficient number, since it is larger than the sum of its proper divisors (108419340460).

131244464564 is a wasteful number, since it uses less digits than its factorization.

131244464564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426570294 (or 1426570292 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 131244464564 in words is "one hundred thirty-one billion, two hundred forty-four million, four hundred sixty-four thousand, five hundred sixty-four".