133613010 has 64 divisors (see below), whose sum is σ = 363916800. Its totient is φ = 34868736.

The previous prime is 133612991. The next prime is 133613023. The reversal of 133613010 is 10316331.

133613010 is a `hidden beast` number, since 1 + 3 + 361 + 301 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7426 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 2^133613010 is an apocalyptic number.

133613010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133613010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181958400).

133613010 is an abundant number, since it is smaller than the sum of its proper divisors (230303790).

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

133613010 is a wasteful number, since it uses less digits than its factorization.

133613010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592 (or 10586 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 133613010 is about 11559.1093947588. The cubic root of 133613010 is about 511.2299035825.

Adding to 133613010 its reverse (10316331), we get a palindrome (143929341).

The spelling of 133613010 in words is "one hundred thirty-three million, six hundred thirteen thousand, ten".