137675717 has 2 divisors, whose sum is σ = 137675718. Its totient is φ = 137675716.

The previous prime is 137675693. The next prime is 137675753. The reversal of 137675717 is 717576731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137569441 + 106276 = 11729^2 + 326^2 .

It is an emirp because it is prime and its reverse (717576731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137675717 - 2¹² = 137671621 is a prime.

It is equal to p_7788329 and since 137675717 and 7788329 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137675917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68837858 + 68837859.

It is an arithmetic number, because the mean of its divisors is an integer number (68837859).

Almost surely, 2^137675717 is an apocalyptic number.

It is an amenable number.

137675717 is a deficient number, since it is larger than the sum of its proper divisors (1).

137675717 is an equidigital number, since it uses as much as digits as its factorization.

137675717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216090, while the sum is 44.

The square root of 137675717 is about 11733.5296053660. The cubic root of 137675717 is about 516.3598297907.

The spelling of 137675717 in words is "one hundred thirty-seven million, six hundred seventy-five thousand, seven hundred seventeen".