1386957360 has 80 divisors (see below), whose sum is σ = 4438287360. Its totient is φ = 357922560.

The previous prime is 1386957349. The next prime is 1386957361. The reversal of 1386957360 is 637596831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1386957361) 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 15 ways as a sum of consecutive naturals, for example, 85770 + ... + 100649.

It is an arithmetic number, because the mean of its divisors is an integer number (55478592).

Almost surely, 2^1386957360 is an apocalyptic number.

1386957360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386957360 is an abundant number, since it is smaller than the sum of its proper divisors (3051330000).

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

1386957360 is a wasteful number, since it uses less digits than its factorization.

1386957360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186466 (or 186460 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1386957360 is about 37241.8764296323. The cubic root of 1386957360 is about 1115.2041318898.

The spelling of 1386957360 in words is "one billion, three hundred eighty-six million, nine hundred fifty-seven thousand, three hundred sixty".