142716388 has 12 divisors (see below), whose sum is σ = 252179200. Its totient is φ = 70665192.

The previous prime is 142716383. The next prime is 142716389. The reversal of 142716388 is 883617241.

142716388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142716388.

It is not an unprimeable number, because it can be changed into a prime (142716383) 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, 172788 + ... + 173611.

Almost surely, 2^142716388 is an apocalyptic number.

It is an amenable number.

142716388 is a deficient number, since it is larger than the sum of its proper divisors (109462812).

142716388 is a wasteful number, since it uses less digits than its factorization.

142716388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346506 (or 346504 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 142716388 is about 11946.3964441165. The cubic root of 142716388 is about 522.5862138057.

The spelling of 142716388 in words is "one hundred forty-two million, seven hundred sixteen thousand, three hundred eighty-eight".