142207339 has 2 divisors, whose sum is σ = 142207340. Its totient is φ = 142207338.

The previous prime is 142207327. The next prime is 142207349. The reversal of 142207339 is 933702241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142207339 - 2¹³ = 142199147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142207339.

It is not a weakly prime, because it can be changed into another prime (142207319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71103669 + 71103670.

It is an arithmetic number, because the mean of its divisors is an integer number (71103670).

Almost surely, 2^142207339 is an apocalyptic number.

142207339 is a deficient number, since it is larger than the sum of its proper divisors (1).

142207339 is an equidigital number, since it uses as much as digits as its factorization.

142207339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 142207339 is about 11925.0718656115. The cubic root of 142207339 is about 521.9641434441.

The spelling of 142207339 in words is "one hundred forty-two million, two hundred seven thousand, three hundred thirty-nine".