137950189 has 8 divisors (see below), whose sum is σ = 157300920. Its totient is φ = 119847936.

The previous prime is 137950181. The next prime is 137950229. The reversal of 137950189 is 981059731.

It can be written as a sum of positive squares in 4 ways, for example, as 75625 + 137874564 = 275^2 + 11742^2 .

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

It is not a de Polignac number, because 137950189 - 2³ = 137950181 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 (137950181) 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, 311884 + ... + 312325.

It is an arithmetic number, because the mean of its divisors is an integer number (19662615).

Almost surely, 2^137950189 is an apocalyptic number.

It is an amenable number.

137950189 is a deficient number, since it is larger than the sum of its proper divisors (19350731).

137950189 is a wasteful number, since it uses less digits than its factorization.

137950189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624239.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 137950189 is about 11745.2198361716. The cubic root of 137950189 is about 516.7027424457.

The spelling of 137950189 in words is "one hundred thirty-seven million, nine hundred fifty thousand, one hundred eighty-nine".