137166207 has 8 divisors (see below), whose sum is σ = 183158784. Its totient is φ = 91308888.

The previous prime is 137166203. The next prime is 137166241. The reversal of 137166207 is 702661731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137166207 - 2² = 137166203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137166203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31423 + ... + 35520.

It is an arithmetic number, because the mean of its divisors is an integer number (22894848).

Almost surely, 2^137166207 is an apocalyptic number.

137166207 is a deficient number, since it is larger than the sum of its proper divisors (45992577).

137166207 is an equidigital number, since it uses as much as digits as its factorization.

137166207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67629.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 137166207 is about 11711.7977697704. The cubic root of 137166207 is about 515.7220612726.

The spelling of 137166207 in words is "one hundred thirty-seven million, one hundred sixty-six thousand, two hundred seven".