142130235 has 16 divisors (see below), whose sum is σ = 244901664. Its totient is φ = 69971712.

The previous prime is 142130221. The next prime is 142130267. The reversal of 142130235 is 532031241.

It is not a de Polignac number, because 142130235 - 2⁶ = 142130171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364242 + ... + 364631.

It is an arithmetic number, because the mean of its divisors is an integer number (15306354).

Almost surely, 2^142130235 is an apocalyptic number.

142130235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142130235 is a deficient number, since it is larger than the sum of its proper divisors (102771429).

142130235 is a wasteful number, since it uses less digits than its factorization.

142130235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728894.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 142130235 is about 11921.8385746495. The cubic root of 142130235 is about 521.8697910723.

Adding to 142130235 its reverse (532031241), we get a palindrome (674161476).

The spelling of 142130235 in words is "one hundred forty-two million, one hundred thirty thousand, two hundred thirty-five".