137540838 has 16 divisors (see below), whose sum is σ = 275307840. Its totient is φ = 45809256.

The previous prime is 137540827. The next prime is 137540899. The reversal of 137540838 is 838045731.

It is a junction number, because it is equal to n+sod(n) for n = 137540796 and 137540805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (17206740).

Almost surely, 2^137540838 is an apocalyptic number.

137540838 is an abundant number, since it is smaller than the sum of its proper divisors (137767002).

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

137540838 is a wasteful number, since it uses less digits than its factorization.

137540838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18851.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 137540838 is about 11727.7806084527. The cubic root of 137540838 is about 516.1911511615.

The spelling of 137540838 in words is "one hundred thirty-seven million, five hundred forty thousand, eight hundred thirty-eight".