1386280120 has 16 divisors (see below), whose sum is σ = 3119130360. Its totient is φ = 554512032.

The previous prime is 1386280117. The next prime is 1386280141. The reversal of 1386280120 is 210826831.

It is a super-2 number, since 2×1386280120² = 3843545142214428800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17328462 + ... + 17328541.

Almost surely, 2^1386280120 is an apocalyptic number.

1386280120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386280120 is an abundant number, since it is smaller than the sum of its proper divisors (1732850240).

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

1386280120 is a wasteful number, since it uses less digits than its factorization.

1386280120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34657014 (or 34657010 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1386280120 is about 37232.7828667157. The cubic root of 1386280120 is about 1115.0225873014.

The spelling of 1386280120 in words is "one billion, three hundred eighty-six million, two hundred eighty thousand, one hundred twenty".