239620140 has 192 divisors, whose sum is σ = 781401600. Its totient is φ = 60901632.

The previous prime is 239620133. The next prime is 239620159. The reversal of 239620140 is 41026932.

239620140 is a `hidden beast` number, since 2 + 39 + 620 + 1 + 4 + 0 = 666.

It is a super-2 number, since 2×239620140² = 114835622987239200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1338571 + ... + 1338749.

It is an arithmetic number, because the mean of its divisors is an integer number (4069800).

Almost surely, 2^239620140 is an apocalyptic number.

239620140 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 239620140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390700800).

239620140 is an abundant number, since it is smaller than the sum of its proper divisors (541781460).

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

239620140 is a wasteful number, since it uses less digits than its factorization.

239620140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 239620140 is about 15479.6686011038. The cubic root of 239620140 is about 621.1184632459.

The spelling of 239620140 in words is "two hundred thirty-nine million, six hundred twenty thousand, one hundred forty".