239142900 has 36 divisors (see below), whose sum is σ = 691920992. Its totient is φ = 63771360.

The previous prime is 239142833. The next prime is 239142901. The reversal of 239142900 is 9241932.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239142901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 398272 + ... + 398871.

Almost surely, 2^239142900 is an apocalyptic number.

239142900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239142900 is an abundant number, since it is smaller than the sum of its proper divisors (452778092).

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

239142900 is a wasteful number, since it uses less digits than its factorization.

239142900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797160 (or 797153 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 239142900 is about 15464.2458594010. The cubic root of 239142900 is about 620.7058385201.

It can be divided in two parts, 239142 and 900, that added together give a palindrome (240042).

The spelling of 239142900 in words is "two hundred thirty-nine million, one hundred forty-two thousand, nine hundred".