137373241 has 2 divisors, whose sum is σ = 137373242. Its totient is φ = 137373240.

The previous prime is 137373239. The next prime is 137373251. The reversal of 137373241 is 142373731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94090000 + 43283241 = 9700^2 + 6579^2 .

It is a cyclic number.

It is not a de Polignac number, because 137373241 - 2¹ = 137373239 is a prime.

Together with 137373239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (137373251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68686620 + 68686621.

It is an arithmetic number, because the mean of its divisors is an integer number (68686621).

Almost surely, 2^137373241 is an apocalyptic number.

It is an amenable number.

137373241 is a deficient number, since it is larger than the sum of its proper divisors (1).

137373241 is an equidigital number, since it uses as much as digits as its factorization.

137373241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 137373241 is about 11720.6331313628. The cubic root of 137373241 is about 515.9814019397.

The spelling of 137373241 in words is "one hundred thirty-seven million, three hundred seventy-three thousand, two hundred forty-one".