1383223138 has 16 divisors (see below), whose sum is σ = 2273435424. Its totient is φ = 625965760.

The previous prime is 1383223117. The next prime is 1383223159. The reversal of 1383223138 is 8313223831.

It is an interprime number because it is at equal distance from previous prime (1383223117) and next prime (1383223159).

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, 133495 + ... + 143482.

It is an arithmetic number, because the mean of its divisors is an integer number (142089714).

Almost surely, 2^1383223138 is an apocalyptic number.

1383223138 is a deficient number, since it is larger than the sum of its proper divisors (890212286).

1383223138 is a wasteful number, since it uses less digits than its factorization.

1383223138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277217.

The product of its digits is 20736, while the sum is 34.

The square root of 1383223138 is about 37191.7079199114. The cubic root of 1383223138 is about 1114.2023796777.

Adding to 1383223138 its reverse (8313223831), we get a palindrome (9696446969).

The spelling of 1383223138 in words is "one billion, three hundred eighty-three million, two hundred twenty-three thousand, one hundred thirty-eight".