137190205 has 8 divisors (see below), whose sum is σ = 167085792. Its totient is φ = 108113808.

The previous prime is 137190199. The next prime is 137190257. The reversal of 137190205 is 502091731.

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 137190205 - 2³ = 137190197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204427 + ... + 205096.

It is an arithmetic number, because the mean of its divisors is an integer number (20885724).

Almost surely, 2^137190205 is an apocalyptic number.

It is an amenable number.

137190205 is a deficient number, since it is larger than the sum of its proper divisors (29895587).

137190205 is an equidigital number, since it uses as much as digits as its factorization.

137190205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409595.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 137190205 is about 11712.8222474346. The cubic root of 137190205 is about 515.7521356779.

The spelling of 137190205 in words is "one hundred thirty-seven million, one hundred ninety thousand, two hundred five".