142135270 has 16 divisors (see below), whose sum is σ = 256066560. Its totient is φ = 56804544.

The previous prime is 142135261. The next prime is 142135291. The reversal of 142135270 is 72531241.

It is a happy number.

142135270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7234 + ... + 18346.

It is an arithmetic number, because the mean of its divisors is an integer number (16004160).

Almost surely, 2^142135270 is an apocalyptic number.

142135270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142135270 is a deficient number, since it is larger than the sum of its proper divisors (113931290).

142135270 is a wasteful number, since it uses less digits than its factorization.

142135270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 142135270 is about 11922.0497398728. The cubic root of 142135270 is about 521.8759534566.

The spelling of 142135270 in words is "one hundred forty-two million, one hundred thirty-five thousand, two hundred seventy".