142139996208 has 480 divisors, whose sum is σ = 512340541440. Its totient is φ = 37228688640.

The previous prime is 142139996179. The next prime is 142139996269. The reversal of 142139996208 is 802699931241.

142139996208 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 3 + 9 + 9 + 9 + 620 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16025791 + ... + 16034657.

It is an arithmetic number, because the mean of its divisors is an integer number (1067376128).

Almost surely, 2^142139996208 is an apocalyptic number.

142139996208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142139996208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256170270720).

142139996208 is an abundant number, since it is smaller than the sum of its proper divisors (370200545232).

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

142139996208 is a wasteful number, since it uses less digits than its factorization.

142139996208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947 (or 8929 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 142139996208 in words is "one hundred forty-two billion, one hundred thirty-nine million, nine hundred ninety-six thousand, two hundred eight".