13905208100 has 72 divisors (see below), whose sum is σ = 35597388288. Its totient is φ = 4613702400.

The previous prime is 13905208099. The next prime is 13905208103. The reversal of 13905208100 is 180250931.

It is a super-2 number, since 2×13905208100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13905208103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298697 + ... + 342096.

Almost surely, 2^13905208100 is an apocalyptic number.

13905208100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13905208100 is an abundant number, since it is smaller than the sum of its proper divisors (21692180188).

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

13905208100 is a wasteful number, since it uses less digits than its factorization.

13905208100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640845 (or 640838 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 13905208100 in words is "thirteen billion, nine hundred five million, two hundred eight thousand, one hundred".