137117707 has 2 divisors, whose sum is σ = 137117708. Its totient is φ = 137117706.

The previous prime is 137117663. The next prime is 137117779. The reversal of 137117707 is 707711731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137117707 is a prime.

It is not a weakly prime, because it can be changed into another prime (137117797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68558853 + 68558854.

It is an arithmetic number, because the mean of its divisors is an integer number (68558854).

Almost surely, 2^137117707 is an apocalyptic number.

137117707 is a deficient number, since it is larger than the sum of its proper divisors (1).

137117707 is an equidigital number, since it uses as much as digits as its factorization.

137117707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7203, while the sum is 34.

The square root of 137117707 is about 11709.7270249993. The cubic root of 137117707 is about 515.6612701367.

The spelling of 137117707 in words is "one hundred thirty-seven million, one hundred seventeen thousand, seven hundred seven".