1140452165 has 8 divisors (see below), whose sum is σ = 1368896760. Its totient is φ = 912125632.

The previous prime is 1140452119. The next prime is 1140452179. The reversal of 1140452165 is 5612540411.

It can be written as a sum of positive squares in 4 ways, for example, as 5166529 + 1135285636 = 2273^2 + 33694^2 .

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 1140452165 - 2⁸ = 1140451909 is a prime.

It is a super-2 number, since 2×1140452165² = 2601262281306374450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6650 + ... + 48219.

It is an arithmetic number, because the mean of its divisors is an integer number (171112095).

Almost surely, 2^1140452165 is an apocalyptic number.

It is an amenable number.

1140452165 is a deficient number, since it is larger than the sum of its proper divisors (228444595).

1140452165 is an equidigital number, since it uses as much as digits as its factorization.

1140452165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59031.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1140452165 is about 33770.5813541905. The cubic root of 1140452165 is about 1044.7820230166.

Adding to 1140452165 its reverse (5612540411), we get a palindrome (6752992576).

The spelling of 1140452165 in words is "one billion, one hundred forty million, four hundred fifty-two thousand, one hundred sixty-five".