137234198 has 4 divisors (see below), whose sum is σ = 205851300. Its totient is φ = 68617098.

The previous prime is 137234191. The next prime is 137234203. The reversal of 137234198 is 891432731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137234191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34308548 + ... + 34308551.

It is an arithmetic number, because the mean of its divisors is an integer number (51462825).

Almost surely, 2^137234198 is an apocalyptic number.

137234198 is a deficient number, since it is larger than the sum of its proper divisors (68617102).

137234198 is an equidigital number, since it uses as much as digits as its factorization.

137234198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68617101.

The product of its digits is 36288, while the sum is 38.

The square root of 137234198 is about 11714.7000815215. The cubic root of 137234198 is about 515.8072588039.

The spelling of 137234198 in words is "one hundred thirty-seven million, two hundred thirty-four thousand, one hundred ninety-eight".