142978691706 has 96 divisors (see below), whose sum is σ = 301154639040. Its totient is φ = 45199537152.

The previous prime is 142978691701. The next prime is 142978691747. The reversal of 142978691706 is 607196879241.

It is a hoax number, since the sum of its digits (60) 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 142978691706.

It is not an unprimeable number, because it can be changed into a prime (142978691701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312863430 + ... + 312863886.

It is an arithmetic number, because the mean of its divisors is an integer number (3137027490).

Almost surely, 2^142978691706 is an apocalyptic number.

142978691706 is an abundant number, since it is smaller than the sum of its proper divisors (158175947334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142978691706 is a wasteful number, since it uses less digits than its factorization.

142978691706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 142978691706 in words is "one hundred forty-two billion, nine hundred seventy-eight million, six hundred ninety-one thousand, seven hundred six".