1868882136 has 96 divisors (see below), whose sum is σ = 5239442880. Its totient is φ = 550915200.

The previous prime is 1868882107. The next prime is 1868882149. The reversal of 1868882136 is 6312888681.

1868882136 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358831 + ... + 364001.

It is an arithmetic number, because the mean of its divisors is an integer number (54577530).

Almost surely, 2^1868882136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868882136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619721440).

1868882136 is an abundant number, since it is smaller than the sum of its proper divisors (3370560744).

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

1868882136 is a wasteful number, since it uses less digits than its factorization.

1868882136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5224 counting only the distinct ones).

The product of its digits is 884736, while the sum is 51.

The square root of 1868882136 is about 43230.5694618981. The cubic root of 1868882136 is about 1231.7634247352.

The spelling of 1868882136 in words is "one billion, eight hundred sixty-eight million, eight hundred eighty-two thousand, one hundred thirty-six".