4242142133 has 4 divisors (see below), whose sum is σ = 4242281568. Its totient is φ = 4242002700.

The previous prime is 4242142111. The next prime is 4242142147. The reversal of 4242142133 is 3312412424.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4242142133 - 2¹⁰ = 4242141109 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 (4242142033) 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, 2441 + ... + 92142.

It is an arithmetic number, because the mean of its divisors is an integer number (1060570392).

Almost surely, 2^4242142133 is an apocalyptic number.

It is an amenable number.

4242142133 is a deficient number, since it is larger than the sum of its proper divisors (139435).

4242142133 is an equidigital number, since it uses as much as digits as its factorization.

4242142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139434.

The product of its digits is 4608, while the sum is 26.

The square root of 4242142133 is about 65131.7290803799. The cubic root of 4242142133 is about 1618.8069930431.

Adding to 4242142133 its reverse (3312412424), we get a palindrome (7554554557).

The spelling of 4242142133 in words is "four billion, two hundred forty-two million, one hundred forty-two thousand, one hundred thirty-three".