1838363136 has 160 divisors (see below), whose sum is σ = 5412832128. Its totient is φ = 551485440.

The previous prime is 1838363129. The next prime is 1838363143. The reversal of 1838363136 is 6313638381.

It is an interprime number because it is at equal distance from previous prime (1838363129) and next prime (1838363143).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599046 + ... + 602106.

Almost surely, 2^1838363136 is an apocalyptic number.

1838363136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838363136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706416064).

1838363136 is an abundant number, since it is smaller than the sum of its proper divisors (3574468992).

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

1838363136 is a wasteful number, since it uses less digits than its factorization.

1838363136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122 (or 3106 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 1838363136 is about 42876.1371394392. The cubic root of 1838363136 is about 1225.0216597031.

The spelling of 1838363136 in words is "one billion, eight hundred thirty-eight million, three hundred sixty-three thousand, one hundred thirty-six".