142267035021 has 4 divisors (see below), whose sum is σ = 189689380032. Its totient is φ = 94844690012.

The previous prime is 142267034999. The next prime is 142267035073. The reversal of 142267035021 is 120530762241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142267035021 - 2⁷ = 142267034893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142267035721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23711172501 + ... + 23711172506.

It is an arithmetic number, because the mean of its divisors is an integer number (47422345008).

Almost surely, 2^142267035021 is an apocalyptic number.

It is an amenable number.

142267035021 is a deficient number, since it is larger than the sum of its proper divisors (47422345011).

142267035021 is an equidigital number, since it uses as much as digits as its factorization.

142267035021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47422345010.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 142267035021 its reverse (120530762241), we get a palindrome (262797797262).

The spelling of 142267035021 in words is "one hundred forty-two billion, two hundred sixty-seven million, thirty-five thousand, twenty-one".