1140842836 has 12 divisors (see below), whose sum is σ = 2281685728. Its totient is φ = 488932632.

The previous prime is 1140842831. The next prime is 1140842837. The reversal of 1140842836 is 6382480411.

1140842836 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1140842795 and 1140842804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140842831) 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, 20372166 + ... + 20372221.

Almost surely, 2^1140842836 is an apocalyptic number.

It is an amenable number.

1140842836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1140842836 is a wasteful number, since it uses less digits than its factorization.

1140842836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40744398 (or 40744396 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1140842836 is about 33776.3650501353. The cubic root of 1140842836 is about 1044.9013088730.

The spelling of 1140842836 in words is "one billion, one hundred forty million, eight hundred forty-two thousand, eight hundred thirty-six".