1165380236 has 12 divisors (see below), whose sum is σ = 2051928312. Its totient is φ = 579115008.

The previous prime is 1165380221. The next prime is 1165380239. The reversal of 1165380236 is 6320835611.

It is a super-2 number, since 2×1165380236² = 2716222188918831392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1165380196 and 1165380205.

It is not an unprimeable number, because it can be changed into a prime (1165380239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893045 + ... + 894348.

It is an arithmetic number, because the mean of its divisors is an integer number (170994026).

Almost surely, 2^1165380236 is an apocalyptic number.

It is an amenable number.

1165380236 is a deficient number, since it is larger than the sum of its proper divisors (886548076).

1165380236 is a wasteful number, since it uses less digits than its factorization.

1165380236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787560 (or 1787558 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1165380236 is about 34137.6659424747. The cubic root of 1165380236 is about 1052.3395259389.

The spelling of 1165380236 in words is "one billion, one hundred sixty-five million, three hundred eighty thousand, two hundred thirty-six".