1389284141 has 4 divisors (see below), whose sum is σ = 1587753312. Its totient is φ = 1190814972.

The previous prime is 1389284137. The next prime is 1389284167. The reversal of 1389284141 is 1414829831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1389284141 - 2² = 1389284137 is a prime.

It is a super-2 number, since 2×1389284141² = 3860220848868215762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389244141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 99234575 + ... + 99234588.

It is an arithmetic number, because the mean of its divisors is an integer number (396938328).

Almost surely, 2^1389284141 is an apocalyptic number.

It is an amenable number.

1389284141 is a deficient number, since it is larger than the sum of its proper divisors (198469171).

1389284141 is an equidigital number, since it uses as much as digits as its factorization.

1389284141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198469170.

The product of its digits is 55296, while the sum is 41.

The square root of 1389284141 is about 37273.1021113081. The cubic root of 1389284141 is about 1115.8274113467.

The spelling of 1389284141 in words is "one billion, three hundred eighty-nine million, two hundred eighty-four thousand, one hundred forty-one".