1386164740 has 24 divisors (see below), whose sum is σ = 2946021120. Its totient is φ = 547784928.

The previous prime is 1386164719. The next prime is 1386164743. The reversal of 1386164740 is 474616831.

It is a junction number, because it is equal to n+sod(n) for n = 1386164693 and 1386164702.

It is not an unprimeable number, because it can be changed into a prime (1386164743) 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 7 ways as a sum of consecutive naturals, for example, 415860 + ... + 419179.

It is an arithmetic number, because the mean of its divisors is an integer number (122750880).

Almost surely, 2^1386164740 is an apocalyptic number.

1386164740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386164740 is an abundant number, since it is smaller than the sum of its proper divisors (1559856380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386164740 is a wasteful number, since it uses less digits than its factorization.

1386164740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835131 (or 835129 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1386164740 is about 37231.2333934830. The cubic root of 1386164740 is about 1114.9916520251.

The spelling of 1386164740 in words is "one billion, three hundred eighty-six million, one hundred sixty-four thousand, seven hundred forty".