137281912 has 8 divisors (see below), whose sum is σ = 257403600. Its totient is φ = 68640952.

The previous prime is 137281909. The next prime is 137281913. The reversal of 137281912 is 219182731.

137281912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137281913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8580112 + ... + 8580127.

It is an arithmetic number, because the mean of its divisors is an integer number (32175450).

Almost surely, 2^137281912 is an apocalyptic number.

It is an amenable number.

137281912 is a deficient number, since it is larger than the sum of its proper divisors (120121688).

137281912 is a wasteful number, since it uses less digits than its factorization.

137281912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17160245 (or 17160241 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 137281912 is about 11716.7364056720. The cubic root of 137281912 is about 515.8670310185.

The spelling of 137281912 in words is "one hundred thirty-seven million, two hundred eighty-one thousand, nine hundred twelve".