142205203039 has 16 divisors (see below), whose sum is σ = 149642421120. Its totient is φ = 134946171360.

The previous prime is 142205203013. The next prime is 142205203081. The reversal of 142205203039 is 930302502241.

It is a cyclic number.

It is not a de Polignac number, because 142205203039 - 2¹³ = 142205194847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142205203039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142205203339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778144 + ... + 943354.

It is an arithmetic number, because the mean of its divisors is an integer number (9352651320).

Almost surely, 2^142205203039 is an apocalyptic number.

142205203039 is a deficient number, since it is larger than the sum of its proper divisors (7437218081).

142205203039 is a wasteful number, since it uses less digits than its factorization.

142205203039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165750.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 142205203039 in words is "one hundred forty-two billion, two hundred five million, two hundred three thousand, thirty-nine".