137660071 has 16 divisors (see below), whose sum is σ = 147296160. Its totient is φ = 128419200.

The previous prime is 137660069. The next prime is 137660077. The reversal of 137660071 is 170066731.

It is a cyclic number.

It is not a de Polignac number, because 137660071 - 2¹ = 137660069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137660077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125401 + ... + 126493.

It is an arithmetic number, because the mean of its divisors is an integer number (9206010).

Almost surely, 2^137660071 is an apocalyptic number.

137660071 is a deficient number, since it is larger than the sum of its proper divisors (9636089).

137660071 is a wasteful number, since it uses less digits than its factorization.

137660071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 137660071 is about 11732.8628646209. The cubic root of 137660071 is about 516.3402686749.

The spelling of 137660071 in words is "one hundred thirty-seven million, six hundred sixty thousand, seventy-one".