142035539 has 2 divisors, whose sum is σ = 142035540. Its totient is φ = 142035538.

The previous prime is 142035503. The next prime is 142035547. The reversal of 142035539 is 935530241.

142035539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (935530241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142035539 - 2²⁴ = 125258323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142035599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71017769 + 71017770.

It is an arithmetic number, because the mean of its divisors is an integer number (71017770).

Almost surely, 2^142035539 is an apocalyptic number.

142035539 is a deficient number, since it is larger than the sum of its proper divisors (1).

142035539 is an equidigital number, since it uses as much as digits as its factorization.

142035539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 142035539 is about 11917.8663778379. The cubic root of 142035539 is about 521.7538646214.

The spelling of 142035539 in words is "one hundred forty-two million, thirty-five thousand, five hundred thirty-nine".