142739099 has 2 divisors, whose sum is σ = 142739100. Its totient is φ = 142739098.

The previous prime is 142739083. The next prime is 142739137. The reversal of 142739099 is 990937241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142739099 - 2⁴ = 142739083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142739899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71369549 + 71369550.

It is an arithmetic number, because the mean of its divisors is an integer number (71369550).

Almost surely, 2^142739099 is an apocalyptic number.

142739099 is a deficient number, since it is larger than the sum of its proper divisors (1).

142739099 is an equidigital number, since it uses as much as digits as its factorization.

142739099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 142739099 is about 11947.3469439872. The cubic root of 142739099 is about 522.6139327107.

The spelling of 142739099 in words is "one hundred forty-two million, seven hundred thirty-nine thousand, ninety-nine".