142001300021 has 8 divisors (see below), whose sum is σ = 162568464960. Its totient is φ = 121504451328.

The previous prime is 142001300017. The next prime is 142001300039. The reversal of 142001300021 is 120003100241.

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 142001300021 - 2² = 142001300017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142001299969 and 142001300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001300011) 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, 17574731 + ... + 17582808.

It is an arithmetic number, because the mean of its divisors is an integer number (20321058120).

Almost surely, 2^142001300021 is an apocalyptic number.

It is an amenable number.

142001300021 is a deficient number, since it is larger than the sum of its proper divisors (20567164939).

142001300021 is an equidigital number, since it uses as much as digits as its factorization.

142001300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35158123.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 142001300021 its reverse (120003100241), we get a palindrome (262004400262).

The spelling of 142001300021 in words is "one hundred forty-two billion, one million, three hundred thousand, twenty-one".