1135634840 has 32 divisors (see below), whose sum is σ = 2556150480. Its totient is φ = 454081152.

The previous prime is 1135634839. The next prime is 1135634861. The reversal of 1135634840 is 484365311.

It is a self number, because there is not a number n which added to its sum of digits gives 1135634840.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 177782 + ... + 184058.

Almost surely, 2^1135634840 is an apocalyptic number.

1135634840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135634840 is an abundant number, since it is smaller than the sum of its proper divisors (1420515640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135634840 is a wasteful number, since it uses less digits than its factorization.

1135634840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811 (or 10807 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1135634840 is about 33699.1815924363. The cubic root of 1135634840 is about 1043.3088769515.

The spelling of 1135634840 in words is "one billion, one hundred thirty-five million, six hundred thirty-four thousand, eight hundred forty".