137374291 has 2 divisors, whose sum is σ = 137374292. Its totient is φ = 137374290.

The previous prime is 137374273. The next prime is 137374301. The reversal of 137374291 is 192473731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137374291 - 2⁷ = 137374163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137374291.

It is not a weakly prime, because it can be changed into another prime (137374261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68687145 + 68687146.

It is an arithmetic number, because the mean of its divisors is an integer number (68687146).

Almost surely, 2^137374291 is an apocalyptic number.

137374291 is a deficient number, since it is larger than the sum of its proper divisors (1).

137374291 is an equidigital number, since it uses as much as digits as its factorization.

137374291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 137374291 is about 11720.6779240793. The cubic root of 137374291 is about 515.9827165555.

The spelling of 137374291 in words is "one hundred thirty-seven million, three hundred seventy-four thousand, two hundred ninety-one".