2339138520 has 128 divisors (see below), whose sum is σ = 8007998400. Its totient is φ = 606901248.

The previous prime is 2339138497. The next prime is 2339138531. The reversal of 2339138520 is 258319332.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 10692 + ... + 69228.

Almost surely, 2^2339138520 is an apocalyptic number.

2339138520 is a gapful number since it is divisible by the number (20) 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 2339138520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4003999200).

2339138520 is an abundant number, since it is smaller than the sum of its proper divisors (5668859880).

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

2339138520 is a wasteful number, since it uses less digits than its factorization.

2339138520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58594 (or 58584 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2339138520 is about 48364.6412164920. The cubic root of 2339138520 is about 1327.4514521491.

The spelling of 2339138520 in words is "two billion, three hundred thirty-nine million, one hundred thirty-eight thousand, five hundred twenty".