131045400245454 has 32 divisors (see below), whose sum is σ = 262696785120000. Its totient is φ = 43580809438464.

The previous prime is 131045400245413. The next prime is 131045400245479. The reversal of 131045400245454 is 454542004540131.

It is a super-2 number, since 2×131045400245454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 77709022 + ... + 79377470.

It is an arithmetic number, because the mean of its divisors is an integer number (8209274535000).

Almost surely, 2^{131045400245454} is an apocalyptic number.

131045400245454 is an abundant number, since it is smaller than the sum of its proper divisors (131651384874546).

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

131045400245454 is a wasteful number, since it uses less digits than its factorization.

131045400245454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698712.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 131045400245454 its reverse (454542004540131), we get a palindrome (585587404785585).

The spelling of 131045400245454 in words is "one hundred thirty-one trillion, forty-five billion, four hundred million, two hundred forty-five thousand, four hundred fifty-four".