131445106616 has 16 divisors (see below), whose sum is σ = 248640634800. Its totient is φ = 65140937344.

The previous prime is 131445106601. The next prime is 131445106619. The reversal of 131445106616 is 616601544131.

It is a self number, because there is not a number n which added to its sum of digits gives 131445106616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131445106619) 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, 72701036 + ... + 72702843.

It is an arithmetic number, because the mean of its divisors is an integer number (15540039675).

Almost surely, 2^131445106616 is an apocalyptic number.

It is an amenable number.

131445106616 is a deficient number, since it is larger than the sum of its proper divisors (117195528184).

131445106616 is a wasteful number, since it uses less digits than its factorization.

131445106616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145403998 (or 145403994 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 131445106616 in words is "one hundred thirty-one billion, four hundred forty-five million, one hundred six thousand, six hundred sixteen".