1140352265 has 32 divisors (see below), whose sum is σ = 1565373600. Its totient is φ = 790032384.

The previous prime is 1140352193. The next prime is 1140352271. The reversal of 1140352265 is 5622530411.

It can be written as a sum of positive squares in 16 ways, for example, as 321018889 + 819333376 = 17917^2 + 28624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140352265 - 2¹⁰ = 1140351241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384167 + ... + 387123.

It is an arithmetic number, because the mean of its divisors is an integer number (48917925).

Almost surely, 2^1140352265 is an apocalyptic number.

It is an amenable number.

1140352265 is a deficient number, since it is larger than the sum of its proper divisors (425021335).

1140352265 is a wasteful number, since it uses less digits than its factorization.

1140352265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1140352265 is about 33769.1022237785. The cubic root of 1140352265 is about 1044.7515155930.

Adding to 1140352265 its reverse (5622530411), we get a palindrome (6762882676).

The spelling of 1140352265 in words is "one billion, one hundred forty million, three hundred fifty-two thousand, two hundred sixty-five".