131440243054 has 16 divisors (see below), whose sum is σ = 198684058320. Its totient is φ = 65212318080.

The previous prime is 131440243027. The next prime is 131440243061. The reversal of 131440243054 is 450342044131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4248112 + ... + 4278940.

It is an arithmetic number, because the mean of its divisors is an integer number (12417753645).

Almost surely, 2^131440243054 is an apocalyptic number.

131440243054 is a deficient number, since it is larger than the sum of its proper divisors (67243815266).

131440243054 is a wasteful number, since it uses less digits than its factorization.

131440243054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47235.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 131440243054 its reverse (450342044131), we get a palindrome (581782287185).

The spelling of 131440243054 in words is "one hundred thirty-one billion, four hundred forty million, two hundred forty-three thousand, fifty-four".