137274073 has 2 divisors, whose sum is σ = 137274074. Its totient is φ = 137274072.

The previous prime is 137274001. The next prime is 137274079. The reversal of 137274073 is 370472731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130576329 + 6697744 = 11427^2 + 2588^2 .

It is an emirp because it is prime and its reverse (370472731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137274073 - 2⁹ = 137273561 is a prime.

It is a super-2 number, since 2×137274073² = 37688342236018658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137274079) 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, 68637036 + 68637037.

It is an arithmetic number, because the mean of its divisors is an integer number (68637037).

Almost surely, 2^137274073 is an apocalyptic number.

It is an amenable number.

137274073 is a deficient number, since it is larger than the sum of its proper divisors (1).

137274073 is an equidigital number, since it uses as much as digits as its factorization.

137274073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 137274073 is about 11716.4018794167. The cubic root of 137274073 is about 515.8572119083.

The spelling of 137274073 in words is "one hundred thirty-seven million, two hundred seventy-four thousand, seventy-three".