1135264431 has 16 divisors (see below), whose sum is σ = 1730883584. Its totient is φ = 648363744.

The previous prime is 1135264397. The next prime is 1135264433. The reversal of 1135264431 is 1344625311.

It is not a de Polignac number, because 1135264431 - 2¹⁰ = 1135263407 is a prime.

It is a super-2 number, since 2×1135264431² = 2577650656587507522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135264433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26610 + ... + 54576.

It is an arithmetic number, because the mean of its divisors is an integer number (108180224).

Almost surely, 2^1135264431 is an apocalyptic number.

1135264431 is a deficient number, since it is larger than the sum of its proper divisors (595619153).

1135264431 is a wasteful number, since it uses less digits than its factorization.

1135264431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29910.

The product of its digits is 8640, while the sum is 30.

The square root of 1135264431 is about 33693.6853282629. The cubic root of 1135264431 is about 1043.1954329089.

Adding to 1135264431 its reverse (1344625311), we get a palindrome (2479889742).

The spelling of 1135264431 in words is "one billion, one hundred thirty-five million, two hundred sixty-four thousand, four hundred thirty-one".