131440736334 has 48 divisors (see below), whose sum is σ = 266638614480. Its totient is φ = 43190716800.

The previous prime is 131440736327. The next prime is 131440736377. The reversal of 131440736334 is 433637044131.

It is a junction number, because it is equal to n+sod(n) for n = 131440736292 and 131440736301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128736744 + ... + 128737764.

It is an arithmetic number, because the mean of its divisors is an integer number (5554971135).

Almost surely, 2^131440736334 is an apocalyptic number.

131440736334 is an abundant number, since it is smaller than the sum of its proper divisors (135197878146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131440736334 is an equidigital number, since it uses as much as digits as its factorization.

131440736334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 131440736334 in words is "one hundred thirty-one billion, four hundred forty million, seven hundred thirty-six thousand, three hundred thirty-four".