1381183338 has 16 divisors (see below), whose sum is σ = 2763426240. Its totient is φ = 460217856.

The previous prime is 1381183303. The next prime is 1381183357. The reversal of 1381183338 is 8333811831.

It is a junction number, because it is equal to n+sod(n) for n = 1381183296 and 1381183305.

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, 26670 + ... + 58937.

It is an arithmetic number, because the mean of its divisors is an integer number (172714140).

Almost surely, 2^1381183338 is an apocalyptic number.

1381183338 is an abundant number, since it is smaller than the sum of its proper divisors (1382242902).

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

1381183338 is a wasteful number, since it uses less digits than its factorization.

1381183338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88301.

The product of its digits is 41472, while the sum is 39.

The square root of 1381183338 is about 37164.2750231994. The cubic root of 1381183338 is about 1113.6544159992.

The spelling of 1381183338 in words is "one billion, three hundred eighty-one million, one hundred eighty-three thousand, three hundred thirty-eight".