1390383360 has 144 divisors (see below), whose sum is σ = 4934052480. Its totient is φ = 370759680.

The previous prime is 1390383343. The next prime is 1390383361. The reversal of 1390383360 is 633830931.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (1390383361) 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, 14445 + ... + 54675.

Almost surely, 2^1390383360 is an apocalyptic number.

1390383360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390383360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467026240).

1390383360 is an abundant number, since it is smaller than the sum of its proper divisors (3543669120).

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

1390383360 is an equidigital number, since it uses as much as digits as its factorization.

1390383360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40261 (or 40241 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 1390383360 is about 37287.8446682025. The cubic root of 1390383360 is about 1116.1216193044.

The spelling of 1390383360 in words is "one billion, three hundred ninety million, three hundred eighty-three thousand, three hundred sixty".