137217071 has 2 divisors, whose sum is σ = 137217072. Its totient is φ = 137217070.

The previous prime is 137217061. The next prime is 137217083. The reversal of 137217071 is 170712731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137217071 - 2¹⁰ = 137216047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137217061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68608535 + 68608536.

It is an arithmetic number, because the mean of its divisors is an integer number (68608536).

Almost surely, 2^137217071 is an apocalyptic number.

137217071 is a deficient number, since it is larger than the sum of its proper divisors (1).

137217071 is an equidigital number, since it uses as much as digits as its factorization.

137217071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 137217071 is about 11713.9690540824. The cubic root of 137217071 is about 515.7858001136.

The spelling of 137217071 in words is "one hundred thirty-seven million, two hundred seventeen thousand, seventy-one".