142107219 has 12 divisors (see below), whose sum is σ = 205373896. Its totient is φ = 94688352.

The previous prime is 142107209. The next prime is 142107239. The reversal of 142107219 is 912701241.

It is not a de Polignac number, because 142107219 - 2⁸ = 142106963 is a prime.

It is a super-2 number, since 2×142107219² = 40388923383827922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142107192 and 142107201.

It is not an unprimeable number, because it can be changed into a prime (142107209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23904 + ... + 29250.

Almost surely, 2^142107219 is an apocalyptic number.

142107219 is a deficient number, since it is larger than the sum of its proper divisors (63266677).

142107219 is a wasteful number, since it uses less digits than its factorization.

142107219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 142107219 is about 11920.8732482147. The cubic root of 142107219 is about 521.8416197183.

The spelling of 142107219 in words is "one hundred forty-two million, one hundred seven thousand, two hundred nineteen".