1135165321 has 8 divisors (see below), whose sum is σ = 1140791904. Its totient is φ = 1129548000.

The previous prime is 1135165313. The next prime is 1135165331. The reversal of 1135165321 is 1235615311.

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

It is a cyclic number.

It is not a de Polignac number, because 1135165321 - 2³ = 1135165313 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 1135165321.

It is not an unprimeable number, because it can be changed into a prime (1135165331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417061 + ... + 419773.

It is an arithmetic number, because the mean of its divisors is an integer number (142598988).

Almost surely, 2^1135165321 is an apocalyptic number.

It is an amenable number.

1135165321 is a deficient number, since it is larger than the sum of its proper divisors (5626583).

1135165321 is a wasteful number, since it uses less digits than its factorization.

1135165321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 2700, while the sum is 28.

The square root of 1135165321 is about 33692.2145457968. The cubic root of 1135165321 is about 1043.1650746048.

The spelling of 1135165321 in words is "one billion, one hundred thirty-five million, one hundred sixty-five thousand, three hundred twenty-one".