1389342195 has 24 divisors (see below), whose sum is σ = 2466932832. Its totient is φ = 722908800.

The previous prime is 1389342191. The next prime is 1389342197. The reversal of 1389342195 is 5912439831.

It is a happy number.

1389342195 is a `hidden beast` number, since 138 + 9 + 3 + 421 + 95 = 666.

It is not a de Polignac number, because 1389342195 - 2² = 1389342191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1389342195.

It is not an unprimeable number, because it can be changed into a prime (1389342191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374671 + ... + 378360.

It is an arithmetic number, because the mean of its divisors is an integer number (102788868).

Almost surely, 2^1389342195 is an apocalyptic number.

1389342195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1389342195 is a deficient number, since it is larger than the sum of its proper divisors (1077590637).

1389342195 is a wasteful number, since it uses less digits than its factorization.

1389342195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753083 (or 753080 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1389342195 is about 37273.8808685117. The cubic root of 1389342195 is about 1115.8429534859.

The spelling of 1389342195 in words is "one billion, three hundred eighty-nine million, three hundred forty-two thousand, one hundred ninety-five".