137198789 has 32 divisors (see below), whose sum is σ = 180423936. Its totient is φ = 101237760.

The previous prime is 137198779. The next prime is 137198801. The reversal of 137198789 is 987891731.

137198789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137198789 - 2⁴ = 137198773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137198789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137198729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202319 + ... + 202995.

It is an arithmetic number, because the mean of its divisors is an integer number (5638248).

Almost surely, 2^137198789 is an apocalyptic number.

It is an amenable number.

137198789 is a deficient number, since it is larger than the sum of its proper divisors (43225147).

137198789 is a wasteful number, since it uses less digits than its factorization.

137198789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 762048, while the sum is 53.

The square root of 137198789 is about 11713.1886777256. The cubic root of 137198789 is about 515.7628923351.

The spelling of 137198789 in words is "one hundred thirty-seven million, one hundred ninety-eight thousand, seven hundred eighty-nine".