1135353640 has 32 divisors (see below), whose sum is σ = 2555505000. Its totient is φ = 453970944.

The previous prime is 1135353629. The next prime is 1135353647. The reversal of 1135353640 is 463535311.

It can be written as a sum of positive squares in 4 ways, for example, as 987342084 + 148011556 = 31422^2 + 12166^2 .

It is a super-2 number, since 2×1135353640² = 2578055775722499200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135353647) 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, 205636 + ... + 211084.

Almost surely, 2^1135353640 is an apocalyptic number.

1135353640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135353640 is an abundant number, since it is smaller than the sum of its proper divisors (1420151360).

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

1135353640 is a wasteful number, since it uses less digits than its factorization.

1135353640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669 (or 10665 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1135353640 is about 33695.0091259818. The cubic root of 1135353640 is about 1043.2227569347. Note that the first 3 decimals are identical.

Adding to 1135353640 its reverse (463535311), we get a palindrome (1598888951).

The spelling of 1135353640 in words is "one billion, one hundred thirty-five million, three hundred fifty-three thousand, six hundred forty".