1390268160 has 432 divisors, whose sum is σ = 5280387840. Its totient is φ = 336199680.

The previous prime is 1390268071. The next prime is 1390268161. The reversal of 1390268160 is 618620931.

1390268160 is a `hidden beast` number, since 1 + 390 + 268 + 1 + 6 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390268161) 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, 6070926 + ... + 6071154.

It is an arithmetic number, because the mean of its divisors is an integer number (12223120).

Almost surely, 2^1390268160 is an apocalyptic number.

1390268160 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 1390268160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2640193920).

1390268160 is an abundant number, since it is smaller than the sum of its proper divisors (3890119680).

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

1390268160 is a wasteful number, since it uses less digits than its factorization.

1390268160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1390268160 is about 37286.2998968790. The cubic root of 1390268160 is about 1116.0907930912.

The spelling of 1390268160 in words is "one billion, three hundred ninety million, two hundred sixty-eight thousand, one hundred sixty".