1383189155 has 8 divisors (see below), whose sum is σ = 1713369984. Its totient is φ = 1070856000.

The previous prime is 1383189121. The next prime is 1383189187. The reversal of 1383189155 is 5519813831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1383189155 - 2¹⁸ = 1382927011 is a prime.

It is a super-2 number, since 2×1383189155² = 3826424477019228050, which contains 22 as substring.

It is a Duffinian 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, 4461746 + ... + 4462055.

It is an arithmetic number, because the mean of its divisors is an integer number (214171248).

Almost surely, 2^1383189155 is an apocalyptic number.

1383189155 is a deficient number, since it is larger than the sum of its proper divisors (330180829).

1383189155 is an equidigital number, since it uses as much as digits as its factorization.

1383189155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923837.

The product of its digits is 129600, while the sum is 44.

The square root of 1383189155 is about 37191.2510545155. The cubic root of 1383189155 is about 1114.1932550353.

The spelling of 1383189155 in words is "one billion, three hundred eighty-three million, one hundred eighty-nine thousand, one hundred fifty-five".