1135288138 has 16 divisors (see below), whose sum is σ = 1764426240. Its totient is φ = 547282800.

The previous prime is 1135288127. The next prime is 1135288139. The reversal of 1135288138 is 8318825311.

It is a self number, because there is not a number n which added to its sum of digits gives 1135288138.

It is not an unprimeable number, because it can be changed into a prime (1135288139) 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, 17358 + ... + 50713.

It is an arithmetic number, because the mean of its divisors is an integer number (110276640).

Almost surely, 2^1135288138 is an apocalyptic number.

1135288138 is a deficient number, since it is larger than the sum of its proper divisors (629138102).

1135288138 is a wasteful number, since it uses less digits than its factorization.

1135288138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68373.

The product of its digits is 46080, while the sum is 40.

The square root of 1135288138 is about 33694.0371282516. The cubic root of 1135288138 is about 1043.2026943190.

The spelling of 1135288138 in words is "one billion, one hundred thirty-five million, two hundred eighty-eight thousand, one hundred thirty-eight".