234642130 has 16 divisors (see below), whose sum is σ = 430325784. Its totient is φ = 92085760.

The previous prime is 234642053. The next prime is 234642157. The reversal of 234642130 is 31246432.

It can be written as a sum of positive squares in 4 ways, for example, as 142539721 + 92102409 = 11939^2 + 9597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 234642095 and 234642104.

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 7 ways as a sum of consecutive naturals, for example, 220831 + ... + 221890.

Almost surely, 2^234642130 is an apocalyptic number.

234642130 is a deficient number, since it is larger than the sum of its proper divisors (195683654).

234642130 is a wasteful number, since it uses less digits than its factorization.

234642130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442781.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 234642130 is about 15318.0328371498. The cubic root of 234642130 is about 616.7871693737.

Adding to 234642130 its reverse (31246432), we get a palindrome (265888562).

The spelling of 234642130 in words is "two hundred thirty-four million, six hundred forty-two thousand, one hundred thirty".