131440407454 has 8 divisors (see below), whose sum is σ = 199656315360. Its totient is φ = 64888302336.

The previous prime is 131440407443. The next prime is 131440407457. The reversal of 131440407454 is 454704044131.

131440407454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 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, 415950499 + ... + 415950814.

It is an arithmetic number, because the mean of its divisors is an integer number (24957039420).

Almost surely, 2^131440407454 is an apocalyptic number.

131440407454 is a deficient number, since it is larger than the sum of its proper divisors (68215907906).

131440407454 is an equidigital number, since it uses as much as digits as its factorization.

131440407454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831901394.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 131440407454 in words is "one hundred thirty-one billion, four hundred forty million, four hundred seven thousand, four hundred fifty-four".