142027539 has 4 divisors (see below), whose sum is σ = 189370056. Its totient is φ = 94685024.

The previous prime is 142027531. The next prime is 142027547. The reversal of 142027539 is 935720241.

142027539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142027531) and next prime (142027547).

It is a cyclic number.

It is not a de Polignac number, because 142027539 - 2³ = 142027531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142027531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23671254 + ... + 23671259.

It is an arithmetic number, because the mean of its divisors is an integer number (47342514).

Almost surely, 2^142027539 is an apocalyptic number.

142027539 is a deficient number, since it is larger than the sum of its proper divisors (47342517).

142027539 is an equidigital number, since it uses as much as digits as its factorization.

142027539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47342516.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 142027539 is about 11917.5307425658. The cubic root of 142027539 is about 521.7440686945.

The spelling of 142027539 in words is "one hundred forty-two million, twenty-seven thousand, five hundred thirty-nine".