1135865370 has 48 divisors (see below), whose sum is σ = 2895889248. Its totient is φ = 285077760.

The previous prime is 1135865329. The next prime is 1135865407. The reversal of 1135865370 is 735685311.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 56836 + ... + 74175.

It is an arithmetic number, because the mean of its divisors is an integer number (60331026).

Almost surely, 2^1135865370 is an apocalyptic number.

1135865370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1135865370 is an abundant number, since it is smaller than the sum of its proper divisors (1760023878).

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

1135865370 is a wasteful number, since it uses less digits than its factorization.

1135865370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131055 (or 131038 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1135865370 is about 33702.6018283455. The cubic root of 1135865370 is about 1043.3794682232.

The spelling of 1135865370 in words is "one billion, one hundred thirty-five million, eight hundred sixty-five thousand, three hundred seventy".