1133440401 has 8 divisors (see below), whose sum is σ = 1512280224. Its totient is φ = 755113760.

The previous prime is 1133440393. The next prime is 1133440403. The reversal of 1133440401 is 1040443311.

1133440401 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1133440401 - 2³ = 1133440393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133440403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123111 + ... + 131996.

It is an arithmetic number, because the mean of its divisors is an integer number (189035028).

Almost surely, 2^1133440401 is an apocalyptic number.

It is an amenable number.

1133440401 is a deficient number, since it is larger than the sum of its proper divisors (378839823).

1133440401 is a wasteful number, since it uses less digits than its factorization.

1133440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256591.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1133440401 is about 33666.6066154580. The cubic root of 1133440401 is about 1042.6364325235.

Adding to 1133440401 its reverse (1040443311), we get a palindrome (2173883712).

The spelling of 1133440401 in words is "one billion, one hundred thirty-three million, four hundred forty thousand, four hundred one".