13453533100 has 108 divisors (see below), whose sum is σ = 35958464136. Its totient is φ = 4341281280.

The previous prime is 13453533097. The next prime is 13453533101. The reversal of 13453533100 is 133535431.

It is a super-2 number, since 2×13453533100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (13453533101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2547 + ... + 164053.

It is an arithmetic number, because the mean of its divisors is an integer number (332948742).

Almost surely, 2^13453533100 is an apocalyptic number.

13453533100 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 13453533100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17979232068).

13453533100 is an abundant number, since it is smaller than the sum of its proper divisors (22504931036).

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

13453533100 is a wasteful number, since it uses less digits than its factorization.

13453533100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161552 (or 161538 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The spelling of 13453533100 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, one hundred".