2137239594 has 80 divisors (see below), whose sum is σ = 5504241600. Its totient is φ = 607170816.

The previous prime is 2137239589. The next prime is 2137239613. The reversal of 2137239594 is 4959327312.

2137239594 is a `hidden beast` number, since 2 + 1 + 37 + 23 + 9 + 594 = 666.

It is a super-2 number, since 2×2137239594² = 9135586164322569672, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 197722 + ... + 208250.

It is an arithmetic number, because the mean of its divisors is an integer number (68803020).

Almost surely, 2^2137239594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137239594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752120800).

2137239594 is an abundant number, since it is smaller than the sum of its proper divisors (3367002006).

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

2137239594 is a wasteful number, since it uses less digits than its factorization.

2137239594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10729 (or 10720 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 2137239594 is about 46230.2887077293. The cubic root of 2137239594 is about 1288.1044198132.

The spelling of 2137239594 in words is "two billion, one hundred thirty-seven million, two hundred thirty-nine thousand, five hundred ninety-four".