131445656562 has 32 divisors (see below), whose sum is σ = 293460076800. Its totient is φ = 38905690320.

The previous prime is 131445656513. The next prime is 131445656579. The reversal of 131445656562 is 265656544131.

It is a happy number.

It is a super-3 number, since 3×131445656562³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23155312 + ... + 23160987.

It is an arithmetic number, because the mean of its divisors is an integer number (9170627400).

Almost surely, 2^131445656562 is an apocalyptic number.

131445656562 is an abundant number, since it is smaller than the sum of its proper divisors (162014420238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131445656562 is a wasteful number, since it uses less digits than its factorization.

131445656562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46316358.

The product of its digits is 2592000, while the sum is 48.

The spelling of 131445656562 in words is "one hundred thirty-one billion, four hundred forty-five million, six hundred fifty-six thousand, five hundred sixty-two".