2131453534144 has 42 divisors (see below), whose sum is σ = 4649067894632. Its totient is φ = 968842512000.

The previous prime is 2131453534123. The next prime is 2131453534151. The reversal of 2131453534144 is 4414353541312.

It is a junction number, because it is equal to n+sod(n) for n = 2131453534097 and 2131453534106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137611932 + ... + 137627419.

Almost surely, 2^{2131453534144} is an apocalyptic number.

It is an amenable number.

2131453534144 is an abundant number, since it is smaller than the sum of its proper divisors (2517614360488).

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

2131453534144 is a wasteful number, since it uses less digits than its factorization.

2131453534144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275239385 (or 275239364 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The spelling of 2131453534144 in words is "two trillion, one hundred thirty-one billion, four hundred fifty-three million, five hundred thirty-four thousand, one hundred forty-four".