4000134242 has 16 divisors (see below), whose sum is σ = 6462856512. Its totient is φ = 1845901200.

The previous prime is 4000134191. The next prime is 4000134247. The reversal of 4000134242 is 2424310004.

It is not an unprimeable number, because it can be changed into a prime (4000134247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221867 + ... + 239217.

It is an arithmetic number, because the mean of its divisors is an integer number (403928532).

Almost surely, 2^4000134242 is an apocalyptic number.

4000134242 is a deficient number, since it is larger than the sum of its proper divisors (2462722270).

4000134242 is a wasteful number, since it uses less digits than its factorization.

4000134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26233.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4000134242 is about 63246.6144706576. The cubic root of 4000134242 is about 1587.4188097605.

Adding to 4000134242 its reverse (2424310004), we get a palindrome (6424444246).

The spelling of 4000134242 in words is "four billion, one hundred thirty-four thousand, two hundred forty-two".