142140031235 has 4 divisors (see below), whose sum is σ = 170568037488. Its totient is φ = 113712024984.

The previous prime is 142140031157. The next prime is 142140031277. The reversal of 142140031235 is 532130041241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142140031235 - 2⁸ = 142140030979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14214003119 + ... + 14214003128.

It is an arithmetic number, because the mean of its divisors is an integer number (42642009372).

Almost surely, 2^142140031235 is an apocalyptic number.

142140031235 is a deficient number, since it is larger than the sum of its proper divisors (28428006253).

142140031235 is an equidigital number, since it uses as much as digits as its factorization.

142140031235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28428006252.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 142140031235 its reverse (532130041241), we get a palindrome (674270072476).

The spelling of 142140031235 in words is "one hundred forty-two billion, one hundred forty million, thirty-one thousand, two hundred thirty-five".