1135887538 has 8 divisors (see below), whose sum is σ = 1804056732. Its totient is φ = 534535296.

The previous prime is 1135887491. The next prime is 1135887547. The reversal of 1135887538 is 8357885311.

It can be written as a sum of positive squares in 2 ways, for example, as 1117765489 + 18122049 = 33433^2 + 4257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1135887491 and 1135887500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16704195 + ... + 16704262.

Almost surely, 2^1135887538 is an apocalyptic number.

1135887538 is a deficient number, since it is larger than the sum of its proper divisors (668169194).

1135887538 is a wasteful number, since it uses less digits than its factorization.

1135887538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33408476.

The product of its digits is 806400, while the sum is 49.

The square root of 1135887538 is about 33702.9307034270. The cubic root of 1135887538 is about 1043.3862558485.

The spelling of 1135887538 in words is "one billion, one hundred thirty-five million, eight hundred eighty-seven thousand, five hundred thirty-eight".