1153040135 has 32 divisors (see below), whose sum is σ = 1513391040. Its totient is φ = 838268928.

The previous prime is 1153040131. The next prime is 1153040179. The reversal of 1153040135 is 5310403511.

It is a cyclic number.

It is not a de Polignac number, because 1153040135 - 2² = 1153040131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153040135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153040131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1314317 + ... + 1315193.

It is an arithmetic number, because the mean of its divisors is an integer number (47293470).

Almost surely, 2^1153040135 is an apocalyptic number.

1153040135 is a deficient number, since it is larger than the sum of its proper divisors (360350905).

1153040135 is a wasteful number, since it uses less digits than its factorization.

1153040135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

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

The square root of 1153040135 is about 33956.4446754957. Note that the first 3 decimals coincide. The cubic root of 1153040135 is about 1048.6119633379.

Adding to 1153040135 its reverse (5310403511), we get a palindrome (6463443646).

The spelling of 1153040135 in words is "one billion, one hundred fifty-three million, forty thousand, one hundred thirty-five".