131440407455 has 32 divisors (see below), whose sum is σ = 184102502400. Its totient is φ = 90050906400.

The previous prime is 131440407443. The next prime is 131440407457. The reversal of 131440407455 is 554704044131.

It is not a de Polignac number, because 131440407455 - 2¹⁶ = 131440341919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440407457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1940672 + ... + 2007258.

It is an arithmetic number, because the mean of its divisors is an integer number (5753203200).

Almost surely, 2^131440407455 is an apocalyptic number.

131440407455 is a deficient number, since it is larger than the sum of its proper divisors (52662094945).

131440407455 is an equidigital number, since it uses as much as digits as its factorization.

131440407455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67764 (or 67750 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 131440407455 in words is "one hundred thirty-one billion, four hundred forty million, four hundred seven thousand, four hundred fifty-five".