131542052055446 has 16 divisors (see below), whose sum is σ = 198065134467024. Its totient is φ = 65520598875264.

The previous prime is 131542052055431. The next prime is 131542052055457. The reversal of 131542052055446 is 644550250245131.

It is a happy number.

It is a super-2 number, since 2×131542052055446² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131542052055446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63557735 + ... + 65594738.

It is an arithmetic number, because the mean of its divisors is an integer number (12379070904189).

Almost surely, 2^{131542052055446} is an apocalyptic number.

131542052055446 is a deficient number, since it is larger than the sum of its proper divisors (66523082411578).

131542052055446 is a wasteful number, since it uses less digits than its factorization.

131542052055446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129154415.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 131542052055446 in words is "one hundred thirty-one trillion, five hundred forty-two billion, fifty-two million, fifty-five thousand, four hundred forty-six".