142119919 has 8 divisors (see below), whose sum is σ = 144767520. Its totient is φ = 139490400.

The previous prime is 142119893. The next prime is 142119941. The reversal of 142119919 is 919911241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142119919 - 2¹³ = 142111727 is a prime.

It is a super-2 number, since 2×142119919² = 40396142753133122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142119119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11889 + ... + 20629.

It is an arithmetic number, because the mean of its divisors is an integer number (18095940).

Almost surely, 2^142119919 is an apocalyptic number.

142119919 is a deficient number, since it is larger than the sum of its proper divisors (2647601).

142119919 is an equidigital number, since it uses as much as digits as its factorization.

142119919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041.

The product of its digits is 5832, while the sum is 37.

The square root of 142119919 is about 11921.4059154112. The cubic root of 142119919 is about 521.8571647675.

The spelling of 142119919 in words is "one hundred forty-two million, one hundred nineteen thousand, nine hundred nineteen".