1389142753 has 8 divisors (see below), whose sum is σ = 1449998208. Its totient is φ = 1328325504.

The previous prime is 1389142721. The next prime is 1389142759. The reversal of 1389142753 is 3572419831.

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

It is a cyclic number.

It is not a de Polignac number, because 1389142753 - 2⁵ = 1389142721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1389142759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84625 + ... + 99697.

It is an arithmetic number, because the mean of its divisors is an integer number (181249776).

Almost surely, 2^1389142753 is an apocalyptic number.

It is an amenable number.

1389142753 is a deficient number, since it is larger than the sum of its proper divisors (60855455).

1389142753 is a wasteful number, since it uses less digits than its factorization.

1389142753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103.

The product of its digits is 181440, while the sum is 43.

The square root of 1389142753 is about 37271.2054138312. The cubic root of 1389142753 is about 1115.7895573293.

It can be divided in two parts, 13891 and 42753, that added together give a square (56644 = 238²).

The spelling of 1389142753 in words is "one billion, three hundred eighty-nine million, one hundred forty-two thousand, seven hundred fifty-three".