142396794720 has 216 divisors, whose sum is σ = 504596723904. Its totient is φ = 37972198656.

The previous prime is 142396794713. The next prime is 142396794733. The reversal of 142396794720 is 27497693241.

142396794720 is a `hidden beast` number, since 1 + 423 + 9 + 67 + 94 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 981937 + ... + 1117583.

It is an arithmetic number, because the mean of its divisors is an integer number (2336095944).

Almost surely, 2^142396794720 is an apocalyptic number.

142396794720 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 142396794720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252298361952).

142396794720 is an abundant number, since it is smaller than the sum of its proper divisors (362199929184).

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

142396794720 is an frugal number, since it uses more digits than its factorization.

142396794720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135686 (or 135657 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 142396794720 in words is "one hundred forty-two billion, three hundred ninety-six million, seven hundred ninety-four thousand, seven hundred twenty".