137363273 has 2 divisors, whose sum is σ = 137363274. Its totient is φ = 137363272.

The previous prime is 137363267. The next prime is 137363287. The reversal of 137363273 is 372363731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87759424 + 49603849 = 9368^2 + 7043^2 .

It is an emirp because it is prime and its reverse (372363731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137363273 - 2⁶ = 137363209 is a prime.

It is not a weakly prime, because it can be changed into another prime (137363173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68681636 + 68681637.

It is an arithmetic number, because the mean of its divisors is an integer number (68681637).

Almost surely, 2^137363273 is an apocalyptic number.

It is an amenable number.

137363273 is a deficient number, since it is larger than the sum of its proper divisors (1).

137363273 is an equidigital number, since it uses as much as digits as its factorization.

137363273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 35.

The square root of 137363273 is about 11720.2078906477. The cubic root of 137363273 is about 515.9689215202.

It can be divided in two parts, 1373 and 63273, that added together give a palindrome (64646).

The spelling of 137363273 in words is "one hundred thirty-seven million, three hundred sixty-three thousand, two hundred seventy-three".