1135144660 has 48 divisors (see below), whose sum is σ = 2610720000. Its totient is φ = 412020864.

The previous prime is 1135144657. The next prime is 1135144667. The reversal of 1135144660 is 664415311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135144667) 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, 21660 + ... + 52339.

It is an arithmetic number, because the mean of its divisors is an integer number (54390000).

Almost surely, 2^1135144660 is an apocalyptic number.

1135144660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135144660 is an abundant number, since it is smaller than the sum of its proper divisors (1475575340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135144660 is a wasteful number, since it uses less digits than its factorization.

1135144660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74080 (or 74078 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1135144660 is about 33691.9079305402. The cubic root of 1135144660 is about 1043.1587457281.

Adding to 1135144660 its reverse (664415311), we get a palindrome (1799559971).

The spelling of 1135144660 in words is "one billion, one hundred thirty-five million, one hundred forty-four thousand, six hundred sixty".