4000133345 has 16 divisors (see below), whose sum is σ = 5185048512. Its totient is φ = 2945004480.

The previous prime is 4000133341. The next prime is 4000133353. The reversal of 4000133345 is 5433310004.

It is not a de Polignac number, because 4000133345 - 2² = 4000133341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4000133345.

It is not an unprimeable number, because it can be changed into a prime (4000133341) 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 15 ways as a sum of consecutive naturals, for example, 71447 + ... + 114476.

It is an arithmetic number, because the mean of its divisors is an integer number (324065532).

Almost surely, 2^4000133345 is an apocalyptic number.

It is an amenable number.

4000133345 is a deficient number, since it is larger than the sum of its proper divisors (1184915167).

4000133345 is a wasteful number, since it uses less digits than its factorization.

4000133345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186272.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 4000133345 is about 63246.6073793686. The cubic root of 4000133345 is about 1587.4186911050.

Adding to 4000133345 its reverse (5433310004), we get a palindrome (9433443349).

The spelling of 4000133345 in words is "four billion, one hundred thirty-three thousand, three hundred forty-five".