142084399 has 2 divisors, whose sum is σ = 142084400. Its totient is φ = 142084398.

The previous prime is 142084391. The next prime is 142084429. The reversal of 142084399 is 993480241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142084399 - 2³ = 142084391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142084391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71042199 + 71042200.

It is an arithmetic number, because the mean of its divisors is an integer number (71042200).

Almost surely, 2^142084399 is an apocalyptic number.

142084399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142084399 is an equidigital number, since it uses as much as digits as its factorization.

142084399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 142084399 is about 11919.9160651407. The cubic root of 142084399 is about 521.8136852630.

The spelling of 142084399 in words is "one hundred forty-two million, eighty-four thousand, three hundred ninety-nine".