1140004001 has 8 divisors (see below), whose sum is σ = 1151773344. Its totient is φ = 1128255520.

The previous prime is 1140003983. The next prime is 1140004027. The reversal of 1140004001 is 1004000411.

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 1140004001 - 2²⁶ = 1072895137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140004031) 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, 119861 + ... + 129021.

It is an arithmetic number, because the mean of its divisors is an integer number (143971668).

Almost surely, 2^1140004001 is an apocalyptic number.

It is an amenable number.

1140004001 is a deficient number, since it is larger than the sum of its proper divisors (11769343).

1140004001 is a wasteful number, since it uses less digits than its factorization.

1140004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1140004001 is about 33763.9452819128. The cubic root of 1140004001 is about 1044.6451489321.

Adding to 1140004001 its reverse (1004000411), we get a palindrome (2144004412).

The spelling of 1140004001 in words is "one billion, one hundred forty million, four thousand, one".