137354717 has 2 divisors, whose sum is σ = 137354718. Its totient is φ = 137354716.

The previous prime is 137354699. The next prime is 137354719. The reversal of 137354717 is 717453731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106729561 + 30625156 = 10331^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 137354717 - 2⁶ = 137354653 is a prime.

Together with 137354719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137354719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68677358 + 68677359.

It is an arithmetic number, because the mean of its divisors is an integer number (68677359).

Almost surely, 2^137354717 is an apocalyptic number.

It is an amenable number.

137354717 is a deficient number, since it is larger than the sum of its proper divisors (1).

137354717 is an equidigital number, since it uses as much as digits as its factorization.

137354717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 38.

The square root of 137354717 is about 11719.8428743734. The cubic root of 137354717 is about 515.9582085117.

The spelling of 137354717 in words is "one hundred thirty-seven million, three hundred fifty-four thousand, seven hundred seventeen".