1135132520 has 16 divisors (see below), whose sum is σ = 2554048260. Its totient is φ = 454052992.

The previous prime is 1135132507. The next prime is 1135132541. The reversal of 1135132520 is 252315311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1116762724 + 18369796 = 33418^2 + 4286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14189117 + ... + 14189196.

Almost surely, 2^1135132520 is an apocalyptic number.

1135132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135132520 is an abundant number, since it is smaller than the sum of its proper divisors (1418915740).

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

1135132520 is a wasteful number, since it uses less digits than its factorization.

1135132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378324 (or 28378320 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1135132520 is about 33691.7277681036. The cubic root of 1135132520 is about 1043.1550269679.

Adding to 1135132520 its reverse (252315311), we get a palindrome (1387447831).

The spelling of 1135132520 in words is "one billion, one hundred thirty-five million, one hundred thirty-two thousand, five hundred twenty".