131840559454 has 16 divisors (see below), whose sum is σ = 198584870400. Its totient is φ = 65646093600.

The previous prime is 131840559449. The next prime is 131840559457. The reversal of 131840559454 is 454955048131.

It is a junction number, because it is equal to n+sod(n) for n = 131840559398 and 131840559407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131840559457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417379 + ... + 661729.

It is an arithmetic number, because the mean of its divisors is an integer number (12411554400).

Almost surely, 2^131840559454 is an apocalyptic number.

131840559454 is a deficient number, since it is larger than the sum of its proper divisors (66744310946).

131840559454 is a wasteful number, since it uses less digits than its factorization.

131840559454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245475.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 131840559454 in words is "one hundred thirty-one billion, eight hundred forty million, five hundred fifty-nine thousand, four hundred fifty-four".