133072230 has 16 divisors (see below), whose sum is σ = 319373424. Its totient is φ = 35485920.

The previous prime is 133072217. The next prime is 133072231. The reversal of 133072230 is 32270331.

It is a junction number, because it is equal to n+sod(n) for n = 133072197 and 133072206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133072231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217841 + ... + 2217900.

It is an arithmetic number, because the mean of its divisors is an integer number (19960839).

Almost surely, 2^133072230 is an apocalyptic number.

133072230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133072230 is an abundant number, since it is smaller than the sum of its proper divisors (186301194).

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

133072230 is a wasteful number, since it uses less digits than its factorization.

133072230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435751.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 133072230 is about 11535.6937372661. The cubic root of 133072230 is about 510.5392604337.

The spelling of 133072230 in words is "one hundred thirty-three million, seventy-two thousand, two hundred thirty".