137189844 has 36 divisors (see below), whose sum is σ = 378312480. Its totient is φ = 41572560.

The previous prime is 137189831. The next prime is 137189867. The reversal of 137189844 is 448981731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 137189844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172824 + ... + 173615.

It is an arithmetic number, because the mean of its divisors is an integer number (10508680).

Almost surely, 2^137189844 is an apocalyptic number.

It is an amenable number.

137189844 is an abundant number, since it is smaller than the sum of its proper divisors (241122636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137189844 is a wasteful number, since it uses less digits than its factorization.

137189844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346460 (or 346455 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 137189844 is about 11712.8068369627. The cubic root of 137189844 is about 515.7516832970.

It can be divided in two parts, 137 and 189844, that added together give a palindrome (189981).

The spelling of 137189844 in words is "one hundred thirty-seven million, one hundred eighty-nine thousand, eight hundred forty-four".