137273790 has 32 divisors (see below), whose sum is σ = 334862496. Its totient is φ = 36005760.

The previous prime is 137273789. The next prime is 137273813. The reversal of 137273790 is 97372731.

137273790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 35677 + ... + 39336.

It is an arithmetic number, because the mean of its divisors is an integer number (10464453).

Almost surely, 2^137273790 is an apocalyptic number.

137273790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137273790 is an abundant number, since it is smaller than the sum of its proper divisors (197588706).

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

137273790 is a wasteful number, since it uses less digits than its factorization.

137273790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75084.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 137273790 is about 11716.3898023239. The cubic root of 137273790 is about 515.8568574163.

The spelling of 137273790 in words is "one hundred thirty-seven million, two hundred seventy-three thousand, seven hundred ninety".