142867039 has 8 divisors (see below), whose sum is σ = 163481600. Its totient is φ = 122303736.

The previous prime is 142867013. The next prime is 142867073. The reversal of 142867039 is 930768241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142867039 - 2⁹ = 142866527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142866992 and 142867010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142867009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6639 + ... + 18160.

It is an arithmetic number, because the mean of its divisors is an integer number (20435200).

Almost surely, 2^142867039 is an apocalyptic number.

142867039 is a deficient number, since it is larger than the sum of its proper divisors (20614561).

142867039 is an equidigital number, since it uses as much as digits as its factorization.

142867039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25629.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 142867039 is about 11952.7000715320. The cubic root of 142867039 is about 522.7700293000.

The spelling of 142867039 in words is "one hundred forty-two million, eight hundred sixty-seven thousand, thirty-nine".