137281332 has 24 divisors (see below), whose sum is σ = 320555872. Its totient is φ = 45727200.

The previous prime is 137281303. The next prime is 137281363. The reversal of 137281332 is 233182731.

137281332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 137281332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17607 + ... + 24177.

Almost surely, 2^137281332 is an apocalyptic number.

137281332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137281332 is an abundant number, since it is smaller than the sum of its proper divisors (183274540).

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

137281332 is a wasteful number, since it uses less digits than its factorization.

137281332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319 (or 8317 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 137281332 is about 11716.7116547263. The cubic root of 137281332 is about 515.8663045248.

The spelling of 137281332 in words is "one hundred thirty-seven million, two hundred eighty-one thousand, three hundred thirty-two".