1386054720 has 112 divisors (see below), whose sum is σ = 4889723520. Its totient is φ = 369612288.

The previous prime is 1386054707. The next prime is 1386054751. The reversal of 1386054720 is 274506831.

1386054720 is a `hidden beast` number, since 1 + 3 + 8 + 605 + 47 + 2 + 0 = 666.

It is a super-2 number, since 2×1386054720² = 3842295373668556800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71572 + ... + 88851.

Almost surely, 2^1386054720 is an apocalyptic number.

1386054720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386054720 is an abundant number, since it is smaller than the sum of its proper divisors (3503668800).

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

1386054720 is a wasteful number, since it uses less digits than its factorization.

1386054720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160449 (or 160433 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1386054720 is about 37229.7558412622. The cubic root of 1386054720 is about 1114.9621522542.

The spelling of 1386054720 in words is "one billion, three hundred eighty-six million, fifty-four thousand, seven hundred twenty".