137426834940 has 48 divisors (see below), whose sum is σ = 401525365248. Its totient is φ = 35053801024.

The previous prime is 137426834929. The next prime is 137426834977. The reversal of 137426834940 is 49438624731.

It is a happy number.

It is a super-2 number, since 2×137426834940² (a number of 23 digits) contains 22 as substring.

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, 49790952 + ... + 49793711.

It is an arithmetic number, because the mean of its divisors is an integer number (8365111776).

Almost surely, 2^137426834940 is an apocalyptic number.

137426834940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137426834940 is an abundant number, since it is smaller than the sum of its proper divisors (264098530308).

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

137426834940 is a wasteful number, since it uses less digits than its factorization.

137426834940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99584698 (or 99584696 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 137426834940 in words is "one hundred thirty-seven billion, four hundred twenty-six million, eight hundred thirty-four thousand, nine hundred forty".