137706071 has 2 divisors, whose sum is σ = 137706072. Its totient is φ = 137706070.

The previous prime is 137706043. The next prime is 137706073. The reversal of 137706071 is 170607731.

137706071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137706071 - 2²⁶ = 70597207 is a prime.

Together with 137706073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137706073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68853035 + 68853036.

It is an arithmetic number, because the mean of its divisors is an integer number (68853036).

Almost surely, 2^137706071 is an apocalyptic number.

137706071 is a deficient number, since it is larger than the sum of its proper divisors (1).

137706071 is an equidigital number, since it uses as much as digits as its factorization.

137706071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 137706071 is about 11734.8230067607. The cubic root of 137706071 is about 516.3977750795.

The spelling of 137706071 in words is "one hundred thirty-seven million, seven hundred six thousand, seventy-one".