137934293 has 4 divisors (see below), whose sum is σ = 157639200. Its totient is φ = 118229388.

The previous prime is 137934253. The next prime is 137934299. The reversal of 137934293 is 392439731.

137934293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392439731 = 23 ⋅17062597.

It is a cyclic number.

It is not a de Polignac number, because 137934293 - 2¹⁰ = 137933269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137934293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137934299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9852443 + ... + 9852456.

It is an arithmetic number, because the mean of its divisors is an integer number (39409800).

Almost surely, 2^137934293 is an apocalyptic number.

It is an amenable number.

137934293 is a deficient number, since it is larger than the sum of its proper divisors (19704907).

137934293 is an equidigital number, since it uses as much as digits as its factorization.

137934293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19704906.

The product of its digits is 122472, while the sum is 41.

The square root of 137934293 is about 11744.5431158475. The cubic root of 137934293 is about 516.6828951314.

The spelling of 137934293 in words is "one hundred thirty-seven million, nine hundred thirty-four thousand, two hundred ninety-three".