1389153018 has 32 divisors (see below), whose sum is σ = 3037694400. Its totient is φ = 420008960.

The previous prime is 1389152959. The next prime is 1389153043. The reversal of 1389153018 is 8103519831.

It is a super-2 number, since 2×1389153018² = 3859492214837016648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6196 + ... + 53072.

It is an arithmetic number, because the mean of its divisors is an integer number (94927950).

Almost surely, 2^1389153018 is an apocalyptic number.

1389153018 is an abundant number, since it is smaller than the sum of its proper divisors (1648541382).

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

1389153018 is a wasteful number, since it uses less digits than its factorization.

1389153018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47342.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1389153018 is about 37271.3431204189. The cubic root of 1389153018 is about 1115.7923056793.

The spelling of 1389153018 in words is "one billion, three hundred eighty-nine million, one hundred fifty-three thousand, eighteen".