131402256253 has 4 divisors (see below), whose sum is σ = 131403003228. Its totient is φ = 131401509280.

The previous prime is 131402256217. The next prime is 131402256269. The reversal of 131402256253 is 352652204131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90867279364 + 40534976889 = 301442^2 + 201333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131402256253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402256203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51825 + ... + 515257.

It is an arithmetic number, because the mean of its divisors is an integer number (32850750807).

Almost surely, 2^131402256253 is an apocalyptic number.

It is an amenable number.

131402256253 is a deficient number, since it is larger than the sum of its proper divisors (746975).

131402256253 is an equidigital number, since it uses as much as digits as its factorization.

131402256253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746974.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 131402256253 in words is "one hundred thirty-one billion, four hundred two million, two hundred fifty-six thousand, two hundred fifty-three".