1135687387 has 16 divisors (see below), whose sum is σ = 1197158400. Its totient is φ = 1075989600.

The previous prime is 1135687351. The next prime is 1135687429. The reversal of 1135687387 is 7837865311.

It is a cyclic number.

It is not a de Polignac number, because 1135687387 - 2¹¹ = 1135685339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135687387.

It is not an unprimeable number, because it can be changed into a prime (1135687327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326218 + ... + 329680.

It is an arithmetic number, because the mean of its divisors is an integer number (74822400).

Almost surely, 2^1135687387 is an apocalyptic number.

1135687387 is a deficient number, since it is larger than the sum of its proper divisors (61471013).

1135687387 is a wasteful number, since it uses less digits than its factorization.

1135687387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714.

The product of its digits is 846720, while the sum is 49.

The square root of 1135687387 is about 33699.9612314317. The cubic root of 1135687387 is about 1043.3249683640.

The spelling of 1135687387 in words is "one billion, one hundred thirty-five million, six hundred eighty-seven thousand, three hundred eighty-seven".