1140814081 has 8 divisors (see below), whose sum is σ = 1278160704. Its totient is φ = 1009073520.

The previous prime is 1140814067. The next prime is 1140814139. The reversal of 1140814081 is 1804180411.

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 1140814081 - 2⁷ = 1140813953 is a prime.

It is a super-2 number, since 2×1140814081² = 2602913534815749122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140814021) 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, 1401085 + ... + 1401898.

It is an arithmetic number, because the mean of its divisors is an integer number (159770088).

Almost surely, 2^1140814081 is an apocalyptic number.

1140814081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1140814081 is a deficient number, since it is larger than the sum of its proper divisors (137346623).

1140814081 is a wasteful number, since it uses less digits than its factorization.

1140814081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803031.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1140814081 is about 33775.9393799788. The cubic root of 1140814081 is about 1044.8925298696.

Adding to 1140814081 its reverse (1804180411), we get a palindrome (2944994492).

The spelling of 1140814081 in words is "one billion, one hundred forty million, eight hundred fourteen thousand, eighty-one".