142749679208 has 16 divisors (see below), whose sum is σ = 267668604000. Its totient is φ = 71371384816.

The previous prime is 142749679207. The next prime is 142749679211. The reversal of 142749679208 is 802976947241.

It is not an unprimeable number, because it can be changed into a prime (142749679207) 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, 251828 + ... + 590691.

It is an arithmetic number, because the mean of its divisors is an integer number (16729287750).

Almost surely, 2^142749679208 is an apocalyptic number.

It is an amenable number.

142749679208 is a deficient number, since it is larger than the sum of its proper divisors (124918924792).

142749679208 is a wasteful number, since it uses less digits than its factorization.

142749679208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863704 (or 863700 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 142749679208 in words is "one hundred forty-two billion, seven hundred forty-nine million, six hundred seventy-nine thousand, two hundred eight".