137606717 has 2 divisors, whose sum is σ = 137606718. Its totient is φ = 137606716.

The previous prime is 137606699. The next prime is 137606731. The reversal of 137606717 is 717606731.

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., 135932281 + 1674436 = 11659^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 137606717 - 2¹⁰ = 137605693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137606747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68803358 + 68803359.

It is an arithmetic number, because the mean of its divisors is an integer number (68803359).

Almost surely, 2^137606717 is an apocalyptic number.

It is an amenable number.

137606717 is a deficient number, since it is larger than the sum of its proper divisors (1).

137606717 is an equidigital number, since it uses as much as digits as its factorization.

137606717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 137606717 is about 11730.5889451468. The cubic root of 137606717 is about 516.2735526974.

The spelling of 137606717 in words is "one hundred thirty-seven million, six hundred six thousand, seven hundred seventeen".