142004713721 has 8 divisors (see below), whose sum is σ = 153313368264. Its totient is φ = 130751089920.

The previous prime is 142004713687. The next prime is 142004713759. The reversal of 142004713721 is 127317400241.

It can be written as a sum of positive squares in 4 ways, for example, as 113124496 + 141891589225 = 10636^2 + 376685^2 .

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 142004713721 - 2¹⁴ = 142004697337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142004710721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13752320 + ... + 13762641.

It is an arithmetic number, because the mean of its divisors is an integer number (19164171033).

Almost surely, 2^142004713721 is an apocalyptic number.

It is an amenable number.

142004713721 is a deficient number, since it is larger than the sum of its proper divisors (11308654543).

142004713721 is a wasteful number, since it uses less digits than its factorization.

142004713721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27515371.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 142004713721 in words is "one hundred forty-two billion, four million, seven hundred thirteen thousand, seven hundred twenty-one".