142009366920 has 128 divisors (see below), whose sum is σ = 441103380480. Its totient is φ = 36536544000.

The previous prime is 142009366913. The next prime is 142009366943. The reversal of 142009366920 is 29663900241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173655 + ... + 1288985.

It is an arithmetic number, because the mean of its divisors is an integer number (3446120160).

Almost surely, 2^142009366920 is an apocalyptic number.

142009366920 is a gapful number since it is divisible by the number (10) 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 142009366920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220551690240).

142009366920 is an abundant number, since it is smaller than the sum of its proper divisors (299094013560).

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

142009366920 is a wasteful number, since it uses less digits than its factorization.

142009366920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115707 (or 115703 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 142009366920 in words is "one hundred forty-two billion, nine million, three hundred sixty-six thousand, nine hundred twenty".