142028986 has 8 divisors (see below), whose sum is σ = 232411104. Its totient is φ = 64558620.

The previous prime is 142028983. The next prime is 142028993. The reversal of 142028986 is 689820241.

142028986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142028983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227910 + ... + 3227953.

It is an arithmetic number, because the mean of its divisors is an integer number (29051388).

Almost surely, 2^142028986 is an apocalyptic number.

142028986 is a deficient number, since it is larger than the sum of its proper divisors (90382118).

142028986 is a wasteful number, since it uses less digits than its factorization.

142028986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455876.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 142028986 is about 11917.5914512959. The cubic root of 142028986 is about 521.7458405600.

The spelling of 142028986 in words is "one hundred forty-two million, twenty-eight thousand, nine hundred eighty-six".