133325010 has 192 divisors, whose sum is σ = 434423808. Its totient is φ = 27620352.

The previous prime is 133324991. The next prime is 133325011. The reversal of 133325010 is 10523331.

133325010 is a `hidden beast` number, since 133 + 32 + 501 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (133325011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 597759 + ... + 597981.

It is an arithmetic number, because the mean of its divisors is an integer number (2262624).

Almost surely, 2^133325010 is an apocalyptic number.

133325010 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 133325010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217211904).

133325010 is an abundant number, since it is smaller than the sum of its proper divisors (301098798).

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

133325010 is a wasteful number, since it uses less digits than its factorization.

133325010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 133325010 is about 11546.6449672621. The cubic root of 133325010 is about 510.8623242931.

Adding to 133325010 its reverse (10523331), we get a palindrome (143848341).

The spelling of 133325010 in words is "one hundred thirty-three million, three hundred twenty-five thousand, ten".