137994199 has 8 divisors (see below), whose sum is σ = 157798400. Its totient is φ = 118212696.

The previous prime is 137994193. The next prime is 137994203. The reversal of 137994199 is 991499731.

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

It is not a de Polignac number, because 137994199 - 2³ = 137994191 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 (137994191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10402 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (19724800).

Almost surely, 2^137994199 is an apocalyptic number.

137994199 is a deficient number, since it is larger than the sum of its proper divisors (19804201).

137994199 is an equidigital number, since it uses as much as digits as its factorization.

137994199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349.

The product of its digits is 551124, while the sum is 52.

The square root of 137994199 is about 11747.0932149192. The cubic root of 137994199 is about 516.7576841848.

The spelling of 137994199 in words is "one hundred thirty-seven million, nine hundred ninety-four thousand, one hundred ninety-nine".