1440131133 has 16 divisors (see below), whose sum is σ = 2265276416. Its totient is φ = 796385520.

The previous prime is 1440131129. The next prime is 1440131137. The reversal of 1440131133 is 3311310441.

It is an interprime number because it is at equal distance from previous prime (1440131129) and next prime (1440131137).

It is not a de Polignac number, because 1440131133 - 2² = 1440131129 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440131137) 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, 1105441 + ... + 1106742.

It is an arithmetic number, because the mean of its divisors is an integer number (141579776).

Almost surely, 2^1440131133 is an apocalyptic number.

It is an amenable number.

1440131133 is a deficient number, since it is larger than the sum of its proper divisors (825145283).

1440131133 is a wasteful number, since it uses less digits than its factorization.

1440131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212224.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1440131133 is about 37949.0597116714. The cubic root of 1440131133 is about 1129.2775116383.

Adding to 1440131133 its reverse (3311310441), we get a palindrome (4751441574).

The spelling of 1440131133 in words is "one billion, four hundred forty million, one hundred thirty-one thousand, one hundred thirty-three".