142204520439 has 6 divisors (see below), whose sum is σ = 205406529536. Its totient is φ = 94803013620.

The previous prime is 142204520411. The next prime is 142204520461. The reversal of 142204520439 is 934025402241.

It is a happy number.

142204520439 is a `hidden beast` number, since 14 + 2 + 204 + 5 + 2 + 0 + 439 = 666.

142204520439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142204520439 - 2¹² = 142204516343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204520839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7900251127 + ... + 7900251144.

Almost surely, 2^142204520439 is an apocalyptic number.

142204520439 is a deficient number, since it is larger than the sum of its proper divisors (63202009097).

142204520439 is a wasteful number, since it uses less digits than its factorization.

142204520439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800502277 (or 15800502274 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 142204520439 in words is "one hundred forty-two billion, two hundred four million, five hundred twenty thousand, four hundred thirty-nine".