142132399 has 2 divisors, whose sum is σ = 142132400. Its totient is φ = 142132398.

The previous prime is 142132381. The next prime is 142132421. The reversal of 142132399 is 993231241.

142132399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142132399 - 2¹⁹ = 141608111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142132349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71066199 + 71066200.

It is an arithmetic number, because the mean of its divisors is an integer number (71066200).

Almost surely, 2^142132399 is an apocalyptic number.

142132399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142132399 is an equidigital number, since it uses as much as digits as its factorization.

142132399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 142132399 is about 11921.9293321173. The cubic root of 142132399 is about 521.8724396303.

The spelling of 142132399 in words is "one hundred forty-two million, one hundred thirty-two thousand, three hundred ninety-nine".