137909469940 has 48 divisors (see below), whose sum is σ = 318211064640. Its totient is φ = 49788103680.

The previous prime is 137909469911. The next prime is 137909469959. The reversal of 137909469940 is 49964909731.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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, 2224317 + ... + 2285476.

It is an arithmetic number, because the mean of its divisors is an integer number (6629397180).

Almost surely, 2^137909469940 is an apocalyptic number.

137909469940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137909469940 is an abundant number, since it is smaller than the sum of its proper divisors (180301594700).

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

137909469940 is a wasteful number, since it uses less digits than its factorization.

137909469940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509952 (or 4509950 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 137909469940 in words is "one hundred thirty-seven billion, nine hundred nine million, four hundred sixty-nine thousand, nine hundred forty".