137807435990 has 64 divisors (see below), whose sum is σ = 284269436928. Its totient is φ = 47118499200.

The previous prime is 137807435947. The next prime is 137807436043. The reversal of 137807435990 is 99534708731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52576880 + ... + 52579500.

It is an arithmetic number, because the mean of its divisors is an integer number (4441709952).

Almost surely, 2^137807435990 is an apocalyptic number.

137807435990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137807435990 is an abundant number, since it is smaller than the sum of its proper divisors (146462000938).

137807435990 is a wasteful number, since it uses less digits than its factorization.

137807435990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 137807435990 in words is "one hundred thirty-seven billion, eight hundred seven million, four hundred thirty-five thousand, nine hundred ninety".