131756653451 has 4 divisors (see below), whose sum is σ = 132988024152. Its totient is φ = 130525282752.

The previous prime is 131756653393. The next prime is 131756653487. The reversal of 131756653451 is 154356657131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131756653451 - 2¹⁰ = 131756652427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131756653396 and 131756653405.

It is not an unprimeable number, because it can be changed into a prime (131756613451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615685190 + ... + 615685403.

It is an arithmetic number, because the mean of its divisors is an integer number (33247006038).

Almost surely, 2^131756653451 is an apocalyptic number.

131756653451 is a deficient number, since it is larger than the sum of its proper divisors (1231370701).

131756653451 is a wasteful number, since it uses less digits than its factorization.

131756653451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231370700.

The product of its digits is 1134000, while the sum is 47.

The spelling of 131756653451 in words is "one hundred thirty-one billion, seven hundred fifty-six million, six hundred fifty-three thousand, four hundred fifty-one".