2126142402 has 16 divisors (see below), whose sum is σ = 4437167040. Its totient is φ = 677900432.

The previous prime is 2126142401. The next prime is 2126142407. The reversal of 2126142402 is 2042416212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2126142401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7703277 + ... + 7703552.

It is an arithmetic number, because the mean of its divisors is an integer number (277322940).

Almost surely, 2^2126142402 is an apocalyptic number.

2126142402 is an abundant number, since it is smaller than the sum of its proper divisors (2311024638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126142402 is a wasteful number, since it uses less digits than its factorization.

2126142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15406857.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2126142402 is about 46110.1117109902. Note that the first 3 decimals coincide. The cubic root of 2126142402 is about 1285.8711412898.

Adding to 2126142402 its reverse (2042416212), we get a palindrome (4168558614).

The spelling of 2126142402 in words is "two billion, one hundred twenty-six million, one hundred forty-two thousand, four hundred two".