142119992 has 56 divisors (see below), whose sum is σ = 312945960. Its totient is φ = 60505200.

The previous prime is 142119961. The next prime is 142120001. The reversal of 142119992 is 299911241.

It is a tau number, because it is divible by the number of its divisors (56).

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 941117 + ... + 941267.

Almost surely, 2^142119992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142119992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156472980).

142119992 is an abundant number, since it is smaller than the sum of its proper divisors (170825968).

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

142119992 is an frugal number, since it uses more digits than its factorization.

142119992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 160 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 142119992 is about 11921.4089771302. The cubic root of 142119992 is about 521.8572541183.

The spelling of 142119992 in words is "one hundred forty-two million, one hundred nineteen thousand, nine hundred ninety-two".