13209156000 has 480 divisors, whose sum is σ = 49375085760. Its totient is φ = 3457728000.

The previous prime is 13209155977. The next prime is 13209156007. The reversal of 13209156000 is 65190231.

13209156000 is a `hidden beast` number, since 13 + 2 + 0 + 91 + 560 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13209156007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19115655 + ... + 19116345.

It is an arithmetic number, because the mean of its divisors is an integer number (102864762).

Almost surely, 2^13209156000 is an apocalyptic number.

13209156000 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 13209156000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24687542880).

13209156000 is an abundant number, since it is smaller than the sum of its proper divisors (36165929760).

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

13209156000 is an equidigital number, since it uses as much as digits as its factorization.

13209156000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The spelling of 13209156000 in words is "thirteen billion, two hundred nine million, one hundred fifty-six thousand".