13135533100 has 18 divisors (see below), whose sum is σ = 28504107044. Its totient is φ = 5254213200.

The previous prime is 13135533097. The next prime is 13135533161. The reversal of 13135533100 is 133553131.

It is a super-2 number, since 2×13135533100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65677566 + ... + 65677765.

Almost surely, 2^13135533100 is an apocalyptic number.

13135533100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13135533100 is an abundant number, since it is smaller than the sum of its proper divisors (15368573944).

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

13135533100 is a wasteful number, since it uses less digits than its factorization.

13135533100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131355345 (or 131355338 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 25.

The spelling of 13135533100 in words is "thirteen billion, one hundred thirty-five million, five hundred thirty-three thousand, one hundred".