2142142336 has 32 divisors (see below), whose sum is σ = 4269801600. Its totient is φ = 1070505984.

The previous prime is 2142142297. The next prime is 2142142337. The reversal of 2142142336 is 6332412412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142142337) 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, 349345 + ... + 355423.

It is an arithmetic number, because the mean of its divisors is an integer number (133431300).

Almost surely, 2^2142142336 is an apocalyptic number.

It is an amenable number.

2142142336 is a deficient number, since it is larger than the sum of its proper divisors (2127659264).

2142142336 is an equidigital number, since it uses as much as digits as its factorization.

2142142336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846 (or 8834 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 2142142336 is about 46283.2835481667. The cubic root of 2142142336 is about 1289.0886209341.

Adding to 2142142336 its reverse (6332412412), we get a palindrome (8474554748).

The spelling of 2142142336 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, three hundred thirty-six".