142156921536001 has 8 divisors (see below), whose sum is σ = 144840355053120. Its totient is φ = 139473533480112.

The previous prime is 142156921535887. The next prime is 142156921536017. The reversal of 142156921536001 is 100635129651241.

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 142156921536001 - 2⁴⁷ = 1419433180673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142156921836001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5019165 + ... + 17592778.

It is an arithmetic number, because the mean of its divisors is an integer number (18105044381640).

Almost surely, 2^{142156921536001} is an apocalyptic number.

It is an amenable number.

142156921536001 is a deficient number, since it is larger than the sum of its proper divisors (2683433517119).

142156921536001 is a wasteful number, since it uses less digits than its factorization.

142156921536001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22730615.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 142156921536001 in words is "one hundred forty-two trillion, one hundred fifty-six billion, nine hundred twenty-one million, five hundred thirty-six thousand, one".