137587207 has 8 divisors (see below), whose sum is σ = 142745600. Its totient is φ = 132473880.

The previous prime is 137587169. The next prime is 137587217. The reversal of 137587207 is 702785731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137587207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137587207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137587217) 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, 4983 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (17843200).

Almost surely, 2^137587207 is an apocalyptic number.

137587207 is a deficient number, since it is larger than the sum of its proper divisors (5158393).

137587207 is a wasteful number, since it uses less digits than its factorization.

137587207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22533.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 137587207 is about 11729.7573291181. The cubic root of 137587207 is about 516.2491523065.

The spelling of 137587207 in words is "one hundred thirty-seven million, five hundred eighty-seven thousand, two hundred seven".