137660711 has 2 divisors, whose sum is σ = 137660712. Its totient is φ = 137660710.

The previous prime is 137660707. The next prime is 137660753. The reversal of 137660711 is 117066731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137660711 - 2² = 137660707 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137660701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68830355 + 68830356.

It is an arithmetic number, because the mean of its divisors is an integer number (68830356).

Almost surely, 2^137660711 is an apocalyptic number.

137660711 is a deficient number, since it is larger than the sum of its proper divisors (1).

137660711 is an equidigital number, since it uses as much as digits as its factorization.

137660711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 137660711 is about 11732.8901384101. The cubic root of 137660711 is about 516.3410688518.

The spelling of 137660711 in words is "one hundred thirty-seven million, six hundred sixty thousand, seven hundred eleven".