1141309836 has 36 divisors (see below), whose sum is σ = 2946364512. Its totient is φ = 372341664.

The previous prime is 1141309823. The next prime is 1141309837. The reversal of 1141309836 is 6389031411.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1141309836.

It is not an unprimeable number, because it can be changed into a prime (1141309837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335575 + ... + 338958.

Almost surely, 2^1141309836 is an apocalyptic number.

It is an amenable number.

1141309836 is an abundant number, since it is smaller than the sum of its proper divisors (1805054676).

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

1141309836 is a wasteful number, since it uses less digits than its factorization.

1141309836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674590 (or 674585 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1141309836 is about 33783.2774608977. The cubic root of 1141309836 is about 1045.0438649810.

The spelling of 1141309836 in words is "one billion, one hundred forty-one million, three hundred nine thousand, eight hundred thirty-six".