137716673 has 2 divisors, whose sum is σ = 137716674. Its totient is φ = 137716672.

The previous prime is 137716661. The next prime is 137716687. The reversal of 137716673 is 376617731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136235584 + 1481089 = 11672^2 + 1217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137716673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137716673.

It is not a weakly prime, because it can be changed into another prime (137710673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68858336 + 68858337.

It is an arithmetic number, because the mean of its divisors is an integer number (68858337).

Almost surely, 2^137716673 is an apocalyptic number.

It is an amenable number.

137716673 is a deficient number, since it is larger than the sum of its proper divisors (1).

137716673 is an equidigital number, since it uses as much as digits as its factorization.

137716673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 41.

The square root of 137716673 is about 11735.2747304867. The cubic root of 137716673 is about 516.4110272397.

The spelling of 137716673 in words is "one hundred thirty-seven million, seven hundred sixteen thousand, six hundred seventy-three".