1389514274 has 8 divisors (see below), whose sum is σ = 2086192128. Its totient is φ = 694116900.

The previous prime is 1389514237. The next prime is 1389514277. The reversal of 1389514274 is 4724159831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1389514277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317402 + ... + 321749.

It is an arithmetic number, because the mean of its divisors is an integer number (260774016).

Almost surely, 2^1389514274 is an apocalyptic number.

1389514274 is a deficient number, since it is larger than the sum of its proper divisors (696677854).

1389514274 is a wasteful number, since it uses less digits than its factorization.

1389514274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640240.

The product of its digits is 241920, while the sum is 44.

The square root of 1389514274 is about 37276.1891024284. The cubic root of 1389514274 is about 1115.8890197018.

The spelling of 1389514274 in words is "one billion, three hundred eighty-nine million, five hundred fourteen thousand, two hundred seventy-four".