1386326530 has 16 divisors (see below), whose sum is σ = 2496614400. Its totient is φ = 554258032.

The previous prime is 1386326509. The next prime is 1386326531. The reversal of 1386326530 is 356236831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1386326530.

It is not an unprimeable number, because it can be changed into a prime (1386326531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12034 + ... + 54013.

It is an arithmetic number, because the mean of its divisors is an integer number (156038400).

Almost surely, 2^1386326530 is an apocalyptic number.

1386326530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1386326530 is a deficient number, since it is larger than the sum of its proper divisors (1110287870).

1386326530 is a wasteful number, since it uses less digits than its factorization.

1386326530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68153.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1386326530 is about 37233.4061025848. The cubic root of 1386326530 is about 1115.0350301019.

The spelling of 1386326530 in words is "one billion, three hundred eighty-six million, three hundred twenty-six thousand, five hundred thirty".