137198 has 8 divisors (see below), whose sum is σ = 207480. Its totient is φ = 68040.

The previous prime is 137197. The next prime is 137201. The reversal of 137198 is 891731.

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

It is a self number, because there is not a number n which added to its sum of digits gives 137198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137191) 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 in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (25935).

2¹³⁷¹⁹⁸ is an apocalyptic number.

137198 is a deficient number, since it is larger than the sum of its proper divisors (70282).

137198 is a wasteful number, since it uses less digits than its factorization.

137198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 1512, while the sum is 29.

The square root of 137198 is about 370.4024837930. The cubic root of 137198 is about 51.5761903654.

The spelling of 137198 in words is "one hundred thirty-seven thousand, one hundred ninety-eight".