131445407552 has 28 divisors (see below), whose sum is σ = 260856382020. Its totient is φ = 65717815296.

The previous prime is 131445407539. The next prime is 131445407573. The reversal of 131445407552 is 255704544131.

131445407552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 60229013056 + 71216394496 = 245416^2 + 266864^2 .

It is a super-2 number, since 2×131445407552² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884474 + ... + 1022342.

Almost surely, 2^131445407552 is an apocalyptic number.

It is an amenable number.

131445407552 is a deficient number, since it is larger than the sum of its proper divisors (129410974468).

131445407552 is a wasteful number, since it uses less digits than its factorization.

131445407552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152778 (or 152768 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 131445407552 in words is "one hundred thirty-one billion, four hundred forty-five million, four hundred seven thousand, five hundred fifty-two".