142871419 has 2 divisors, whose sum is σ = 142871420. Its totient is φ = 142871418.

The previous prime is 142871401. The next prime is 142871441. The reversal of 142871419 is 914178241.

It is a weak prime.

It is an emirp because it is prime and its reverse (914178241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142871419 - 2⁵ = 142871387 is a prime.

It is a super-2 number, since 2×142871419² = 40824484734147122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142871489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71435709 + 71435710.

It is an arithmetic number, because the mean of its divisors is an integer number (71435710).

Almost surely, 2^142871419 is an apocalyptic number.

142871419 is a deficient number, since it is larger than the sum of its proper divisors (1).

142871419 is an equidigital number, since it uses as much as digits as its factorization.

142871419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 142871419 is about 11952.8832923274. The cubic root of 142871419 is about 522.7753715850.

The spelling of 142871419 in words is "one hundred forty-two million, eight hundred seventy-one thousand, four hundred nineteen".