137739373 has 2 divisors, whose sum is σ = 137739374. Its totient is φ = 137739372.

The previous prime is 137739367. The next prime is 137739383. The reversal of 137739373 is 373937731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 60264169 = 8802^2 + 7763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137739373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137739383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68869686 + 68869687.

It is an arithmetic number, because the mean of its divisors is an integer number (68869687).

Almost surely, 2^137739373 is an apocalyptic number.

It is an amenable number.

137739373 is a deficient number, since it is larger than the sum of its proper divisors (1).

137739373 is an equidigital number, since it uses as much as digits as its factorization.

137739373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250047, while the sum is 43.

The square root of 137739373 is about 11736.2418601527. The cubic root of 137739373 is about 516.4393992251.

The spelling of 137739373 in words is "one hundred thirty-seven million, seven hundred thirty-nine thousand, three hundred seventy-three".