131905602140 has 48 divisors (see below), whose sum is σ = 311279588928. Its totient is φ = 46586056704.

The previous prime is 131905602121. The next prime is 131905602167. The reversal of 131905602140 is 41206509131.

It is a junction number, because it is equal to n+sod(n) for n = 131905602097 and 131905602106.

It is a congruent number.

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, 11022917 + ... + 11034876.

It is an arithmetic number, because the mean of its divisors is an integer number (6484991436).

Almost surely, 2^131905602140 is an apocalyptic number.

131905602140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131905602140 is an abundant number, since it is smaller than the sum of its proper divisors (179373986788).

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

131905602140 is a wasteful number, since it uses less digits than its factorization.

131905602140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22057838 (or 22057836 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 131905602140 in words is "one hundred thirty-one billion, nine hundred five million, six hundred two thousand, one hundred forty".