1138834416 has 40 divisors (see below), whose sum is σ = 2961752400. Its totient is φ = 377061376.

The previous prime is 1138834387. The next prime is 1138834427. The reversal of 1138834416 is 6144388311.

It is a super-2 number, since 2×1138834416² = 2593887654132122112, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 72465 + ... + 86768.

It is an arithmetic number, because the mean of its divisors is an integer number (74043810).

Almost surely, 2^1138834416 is an apocalyptic number.

1138834416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1138834416 is an abundant number, since it is smaller than the sum of its proper divisors (1822917984).

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

1138834416 is a wasteful number, since it uses less digits than its factorization.

1138834416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159393 (or 159387 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 1138834416 is about 33746.6208086084. The cubic root of 1138834416 is about 1044.2877761016.

The spelling of 1138834416 in words is "one billion, one hundred thirty-eight million, eight hundred thirty-four thousand, four hundred sixteen".