137304793 has 4 divisors (see below), whose sum is σ = 138564580. Its totient is φ = 136045008.

The previous prime is 137304757. The next prime is 137304799. The reversal of 137304793 is 397403731.

137304793 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 an emirpimes, since its reverse is a distinct semiprime: 397403731 = 1009 ⋅393859.

It can be written as a sum of positive squares in 2 ways, for example, as 90478144 + 46826649 = 9512^2 + 6843^2 .

It is a cyclic number.

It is not a de Polignac number, because 137304793 - 2⁹ = 137304281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137304799) 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, 629730 + ... + 629947.

It is an arithmetic number, because the mean of its divisors is an integer number (34641145).

Almost surely, 2^137304793 is an apocalyptic number.

It is an amenable number.

137304793 is a deficient number, since it is larger than the sum of its proper divisors (1259787).

137304793 is a wasteful number, since it uses less digits than its factorization.

137304793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259786.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 137304793 is about 11717.7127887656. The cubic root of 137304793 is about 515.8956895592.

The spelling of 137304793 in words is "one hundred thirty-seven million, three hundred four thousand, seven hundred ninety-three".