142129486 has 16 divisors (see below), whose sum is σ = 226464336. Its totient is φ = 66668416.

The previous prime is 142129483. The next prime is 142129487. The reversal of 142129486 is 684921241.

142129486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142129483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4185 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (14154021).

Almost surely, 2^142129486 is an apocalyptic number.

142129486 is a deficient number, since it is larger than the sum of its proper divisors (84334850).

142129486 is a wasteful number, since it uses less digits than its factorization.

142129486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523.

The product of its digits is 27648, while the sum is 37.

The square root of 142129486 is about 11921.8071616681. The cubic root of 142129486 is about 521.8688743517.

The spelling of 142129486 in words is "one hundred forty-two million, one hundred twenty-nine thousand, four hundred eighty-six".