137894328 has 192 divisors, whose sum is σ = 448156800. Its totient is φ = 37751040.

The previous prime is 137894279. The next prime is 137894329. The reversal of 137894328 is 823498731.

137894328 is a `hidden beast` number, since 137 + 89 + 432 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137894329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607351 + ... + 607577.

It is an arithmetic number, because the mean of its divisors is an integer number (2334150).

Almost surely, 2^137894328 is an apocalyptic number.

137894328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137894328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224078400).

137894328 is an abundant number, since it is smaller than the sum of its proper divisors (310262472).

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

137894328 is a wasteful number, since it uses less digits than its factorization.

137894328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 315 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 137894328 is about 11742.8415641190. The cubic root of 137894328 is about 516.6329891796.

The spelling of 137894328 in words is "one hundred thirty-seven million, eight hundred ninety-four thousand, three hundred twenty-eight".