1380001518 has 96 divisors (see below), whose sum is σ = 3680980992. Its totient is φ = 364953600.

The previous prime is 1380001501. The next prime is 1380001523. The reversal of 1380001518 is 8151000831.

1380001518 is a modest number, since divided by 1518 gives 1380 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1380001491 and 1380001500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82158 + ... + 97518.

It is an arithmetic number, because the mean of its divisors is an integer number (38343552).

Almost surely, 2^1380001518 is an apocalyptic number.

1380001518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380001518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840490496).

1380001518 is an abundant number, since it is smaller than the sum of its proper divisors (2300979474).

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

1380001518 is a wasteful number, since it uses less digits than its factorization.

1380001518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15430 (or 15427 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1380001518 is about 37148.3716736010. The cubic root of 1380001518 is about 1113.3366897441.

The spelling of 1380001518 in words is "one billion, three hundred eighty million, one thousand, five hundred eighteen".