137123838 has 24 divisors (see below), whose sum is σ = 310020048. Its totient is φ = 43720512.

The previous prime is 137123821. The next prime is 137123843. The reversal of 137123838 is 838321731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165195 + ... + 166022.

It is an arithmetic number, because the mean of its divisors is an integer number (12917502).

Almost surely, 2^137123838 is an apocalyptic number.

137123838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

137123838 is an abundant number, since it is smaller than the sum of its proper divisors (172896210).

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

137123838 is a wasteful number, since it uses less digits than its factorization.

137123838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331248 (or 331245 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 137123838 is about 11709.9888129750. The cubic root of 137123838 is about 515.6689556798.

The spelling of 137123838 in words is "one hundred thirty-seven million, one hundred twenty-three thousand, eight hundred thirty-eight".