131783140869420 has 48 divisors (see below), whose sum is σ = 369411628628448. Its totient is φ = 35102281927680.

The previous prime is 131783140869383. The next prime is 131783140869451. The reversal of 131783140869420 is 24968041387131.

It is a super-2 number, since 2×131783140869420² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246477039 + ... + 1246582758.

It is an arithmetic number, because the mean of its divisors is an integer number (7696075596426).

Almost surely, 2^{131783140869420} is an apocalyptic number.

131783140869420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131783140869420 is an abundant number, since it is smaller than the sum of its proper divisors (237628487759028).

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

131783140869420 is a wasteful number, since it uses less digits than its factorization.

131783140869420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493060690 (or 2493060688 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 131783140869420 in words is "one hundred thirty-one trillion, seven hundred eighty-three billion, one hundred forty million, eight hundred sixty-nine thousand, four hundred twenty".