137074073 has 2 divisors, whose sum is σ = 137074074. Its totient is φ = 137074072.

The previous prime is 137074019. The next prime is 137074079. The reversal of 137074073 is 370470731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 22733824 = 10693^2 + 4768^2 .

It is an emirp because it is prime and its reverse (370470731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137074073 - 2⁸ = 137073817 is a prime.

It is not a weakly prime, because it can be changed into another prime (137074079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68537036 + 68537037.

It is an arithmetic number, because the mean of its divisors is an integer number (68537037).

Almost surely, 2^137074073 is an apocalyptic number.

It is an amenable number.

137074073 is a deficient number, since it is larger than the sum of its proper divisors (1).

137074073 is an equidigital number, since it uses as much as digits as its factorization.

137074073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 137074073 is about 11707.8637248646. The cubic root of 137074073 is about 515.6065659183.

The spelling of 137074073 in words is "one hundred thirty-seven million, seventy-four thousand, seventy-three".