1155132135 has 12 divisors (see below), whose sum is σ = 2002229112. Its totient is φ = 616070448.

The previous prime is 1155132131. The next prime is 1155132203. The reversal of 1155132135 is 5312315511.

1155132135 is a `hidden beast` number, since 1 + 15 + 513 + 2 + 135 = 666.

It is not a de Polignac number, because 1155132135 - 2² = 1155132131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155132099 and 1155132108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155132131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12834757 + ... + 12834846.

It is an arithmetic number, because the mean of its divisors is an integer number (166852426).

Almost surely, 2^1155132135 is an apocalyptic number.

1155132135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155132135 is a deficient number, since it is larger than the sum of its proper divisors (847096977).

1155132135 is a wasteful number, since it uses less digits than its factorization.

1155132135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25669614 (or 25669611 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 1155132135 is about 33987.2348831146. The cubic root of 1155132135 is about 1049.2457576575.

Adding to 1155132135 its reverse (5312315511), we get a palindrome (6467447646).

The spelling of 1155132135 in words is "one billion, one hundred fifty-five million, one hundred thirty-two thousand, one hundred thirty-five".