13145540000 has 120 divisors (see below), whose sum is σ = 32733771840. Its totient is φ = 5194208000.

The previous prime is 13145539999. The next prime is 13145540011. The reversal of 13145540000 is 4554131.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1656041 + ... + 1663959.

It is an arithmetic number, because the mean of its divisors is an integer number (272781432).

Almost surely, 2^13145540000 is an apocalyptic number.

13145540000 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 13145540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16366885920).

13145540000 is an abundant number, since it is smaller than the sum of its proper divisors (19588231840).

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

13145540000 is an frugal number, since it uses more digits than its factorization.

13145540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032 (or 8009 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 13145540000 in words is "thirteen billion, one hundred forty-five million, five hundred forty thousand".