137217834 has 64 divisors (see below), whose sum is σ = 334051200. Its totient is φ = 41492736.

The previous prime is 137217823. The next prime is 137217851. The reversal of 137217834 is 438712731.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 39762 + ... + 43074.

It is an arithmetic number, because the mean of its divisors is an integer number (5219550).

Almost surely, 2^137217834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137217834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167025600).

137217834 is an abundant number, since it is smaller than the sum of its proper divisors (196833366).

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

137217834 is a wasteful number, since it uses less digits than its factorization.

137217834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3390 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 137217834 is about 11714.0016219907. The cubic root of 137217834 is about 515.7867561264.

The spelling of 137217834 in words is "one hundred thirty-seven million, two hundred seventeen thousand, eight hundred thirty-four".