1140332403 has 32 divisors (see below), whose sum is σ = 1803317760. Its totient is φ = 627137280.

The previous prime is 1140332393. The next prime is 1140332447. The reversal of 1140332403 is 3042330411.

It is not a de Polignac number, because 1140332403 - 2⁶ = 1140332339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1140332403.

It is not an unprimeable number, because it can be changed into a prime (1140332483) 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 31 ways as a sum of consecutive naturals, for example, 198751 + ... + 204407.

It is an arithmetic number, because the mean of its divisors is an integer number (56353680).

Almost surely, 2^1140332403 is an apocalyptic number.

1140332403 is a deficient number, since it is larger than the sum of its proper divisors (662985357).

1140332403 is a wasteful number, since it uses less digits than its factorization.

1140332403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1140332403 is about 33768.8081370960. The cubic root of 1140332403 is about 1044.7454499307.

Adding to 1140332403 its reverse (3042330411), we get a palindrome (4182662814).

The spelling of 1140332403 in words is "one billion, one hundred forty million, three hundred thirty-two thousand, four hundred three".