137509686380 has 48 divisors (see below), whose sum is σ = 315051399936. Its totient is φ = 49998886080.

The previous prime is 137509686373. The next prime is 137509686421. The reversal of 137509686380 is 83686905731.

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, 3130127 + ... + 3173753.

It is an arithmetic number, because the mean of its divisors is an integer number (6563570832).

Almost surely, 2^137509686380 is an apocalyptic number.

137509686380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137509686380 is an abundant number, since it is smaller than the sum of its proper divisors (177541713556).

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

137509686380 is a wasteful number, since it uses less digits than its factorization.

137509686380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57974 (or 57972 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 137509686380 in words is "one hundred thirty-seven billion, five hundred nine million, six hundred eighty-six thousand, three hundred eighty".