137381884 has 6 divisors (see below), whose sum is σ = 240418304. Its totient is φ = 68690940.

The previous prime is 137381813. The next prime is 137381887. The reversal of 137381884 is 488183731.

It is a self number, because there is not a number n which added to its sum of digits gives 137381884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137381887) by changing a digit.

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 as a sum of consecutive naturals, namely, 17172732 + ... + 17172739.

Almost surely, 2^137381884 is an apocalyptic number.

It is an amenable number.

137381884 is a deficient number, since it is larger than the sum of its proper divisors (103036420).

137381884 is a wasteful number, since it uses less digits than its factorization.

137381884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34345475 (or 34345473 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 137381884 is about 11721.0018343143. The cubic root of 137381884 is about 515.9922229062.

Subtracting from 137381884 its sum of digits (43), we obtain a square (137381841 = 11721²).

The spelling of 137381884 in words is "one hundred thirty-seven million, three hundred eighty-one thousand, eight hundred eighty-four".