137273732 has 12 divisors (see below), whose sum is σ = 240373056. Its totient is φ = 68595720.

The previous prime is 137273701. The next prime is 137273749. The reversal of 137273732 is 237372731.

It is a junction number, because it is equal to n+sod(n) for n = 137273692 and 137273701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 16695.

It is an arithmetic number, because the mean of its divisors is an integer number (20031088).

Almost surely, 2^137273732 is an apocalyptic number.

It is an amenable number.

137273732 is a deficient number, since it is larger than the sum of its proper divisors (103099324).

137273732 is a wasteful number, since it uses less digits than its factorization.

137273732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578 (or 20576 counting only the distinct ones).

The product of its digits is 37044, while the sum is 35.

The square root of 137273732 is about 11716.3873271585. The cubic root of 137273732 is about 515.8567847642.

The spelling of 137273732 in words is "one hundred thirty-seven million, two hundred seventy-three thousand, seven hundred thirty-two".