137875285 has 8 divisors (see below), whose sum is σ = 167057280. Its totient is φ = 109228944.

The previous prime is 137875279. The next prime is 137875289. The reversal of 137875285 is 582578731.

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

It is a cyclic number.

It is not a de Polignac number, because 137875285 - 2³ = 137875277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137875289) 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, 133345 + ... + 134374.

It is an arithmetic number, because the mean of its divisors is an integer number (20882160).

Almost surely, 2^137875285 is an apocalyptic number.

It is an amenable number.

137875285 is a deficient number, since it is larger than the sum of its proper divisors (29181995).

137875285 is a wasteful number, since it uses less digits than its factorization.

137875285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267827.

The product of its digits is 470400, while the sum is 46.

The square root of 137875285 is about 11742.0307017142. The cubic root of 137875285 is about 516.6092060043.

The spelling of 137875285 in words is "one hundred thirty-seven million, eight hundred seventy-five thousand, two hundred eighty-five".