133300008 has 48 divisors (see below), whose sum is σ = 373475700. Its totient is φ = 42900480.

The previous prime is 133300007. The next prime is 133300033. The reversal of 133300008 is 800003331.

It can be written as a sum of positive squares in 2 ways, for example, as 132296004 + 1004004 = 11502^2 + 1002^2 .

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 (133300001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29833 + ... + 34008.

Almost surely, 2^133300008 is an apocalyptic number.

133300008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133300008 is an abundant number, since it is smaller than the sum of its proper divisors (240175692).

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

133300008 is a wasteful number, since it uses less digits than its factorization.

133300008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63882 (or 63875 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133300008 is about 11545.5622643507. The cubic root of 133300008 is about 510.8303888537.

Adding to 133300008 its reverse (800003331), we get a palindrome (933303339).

The spelling of 133300008 in words is "one hundred thirty-three million, three hundred thousand, eight".