133333130 has 32 divisors (see below), whose sum is σ = 277015680. Its totient is φ = 45259200.

The previous prime is 133333111. The next prime is 133333141. The reversal of 133333130 is 31333331.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (8656740).

Almost surely, 2^133333130 is an apocalyptic number.

133333130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133333130 is an abundant number, since it is smaller than the sum of its proper divisors (143682550).

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

133333130 is a wasteful number, since it uses less digits than its factorization.

133333130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18974.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 133333130 is about 11546.9965791976. The cubic root of 133333130 is about 510.8726952352.

Adding to 133333130 its reverse (31333331), we get a palindrome (164666461).

The spelling of 133333130 in words is "one hundred thirty-three million, three hundred thirty-three thousand, one hundred thirty".