1385733588 has 36 divisors (see below), whose sum is σ = 3246741120. Its totient is φ = 460008080.

The previous prime is 1385733581. The next prime is 1385733599. The reversal of 1385733588 is 8853375831.

It is a happy number.

It is a super-2 number, since 2×1385733588² = 3840515153822707488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1385733588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385733581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2822023 + ... + 2822513.

Almost surely, 2^1385733588 is an apocalyptic number.

It is an amenable number.

1385733588 is an abundant number, since it is smaller than the sum of its proper divisors (1861007532).

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

1385733588 is an equidigital number, since it uses as much as digits as its factorization.

1385733588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 975 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 1385733588 is about 37225.4427508928. The cubic root of 1385733588 is about 1114.8760378855.

The spelling of 1385733588 in words is "one billion, three hundred eighty-five million, seven hundred thirty-three thousand, five hundred eighty-eight".