239013720 has 384 divisors, whose sum is σ = 919296000. Its totient is φ = 55123200.

The previous prime is 239013707. The next prime is 239013721. The reversal of 239013720 is 27310932.

239013720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239013721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4051051 + ... + 4051109.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^239013720 is an apocalyptic number.

239013720 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 239013720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459648000).

239013720 is an abundant number, since it is smaller than the sum of its proper divisors (680282280).

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

239013720 is a wasteful number, since it uses less digits than its factorization.

239013720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 239013720 is about 15460.0685638842. The cubic root of 239013720 is about 620.5940542798.

It can be divided in two parts, 2390 and 13720, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 239013720 in words is "two hundred thirty-nine million, thirteen thousand, seven hundred twenty".