142108940 has 24 divisors (see below), whose sum is σ = 298831680. Its totient is φ = 56766848.

The previous prime is 142108907. The next prime is 142108963. The reversal of 142108940 is 49801241.

142108940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 11789 + ... + 20571.

It is an arithmetic number, because the mean of its divisors is an integer number (12451320).

Almost surely, 2^142108940 is an apocalyptic number.

142108940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142108940 is an abundant number, since it is smaller than the sum of its proper divisors (156722740).

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

142108940 is a wasteful number, since it uses less digits than its factorization.

142108940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601 (or 9599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 142108940 is about 11920.9454323053. The cubic root of 142108940 is about 521.8437263103.

The spelling of 142108940 in words is "one hundred forty-two million, one hundred eight thousand, nine hundred forty".