1386068985 has 48 divisors (see below), whose sum is σ = 2797576704. Its totient is φ = 621668736.

The previous prime is 1386068977. The next prime is 1386068989. The reversal of 1386068985 is 5898606831.

It is not a de Polignac number, because 1386068985 - 2³ = 1386068977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1386068989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24817 + ... + 58206.

It is an arithmetic number, because the mean of its divisors is an integer number (58282848).

Almost surely, 2^1386068985 is an apocalyptic number.

1386068985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1386068985 is an abundant number, since it is smaller than the sum of its proper divisors (1411507719).

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

1386068985 is a wasteful number, since it uses less digits than its factorization.

1386068985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83094 (or 83091 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 1386068985 is about 37229.9474213972. The cubic root of 1386068985 is about 1114.9659772307.

The spelling of 1386068985 in words is "one billion, three hundred eighty-six million, sixty-eight thousand, nine hundred eighty-five".