1380105535530 has 32 divisors (see below), whose sum is σ = 3349469620800. Its totient is φ = 363892994432.

The previous prime is 1380105535519. The next prime is 1380105535559. The reversal of 1380105535530 is 355355010831.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258444060 + ... + 258449399.

It is an arithmetic number, because the mean of its divisors is an integer number (104670925650).

Almost surely, 2^{1380105535530} is an apocalyptic number.

1380105535530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380105535530 is an abundant number, since it is smaller than the sum of its proper divisors (1969364085270).

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

1380105535530 is a wasteful number, since it uses less digits than its factorization.

1380105535530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516893558.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 1380105535530 in words is "one trillion, three hundred eighty billion, one hundred five million, five hundred thirty-five thousand, five hundred thirty".