133012230 has 32 divisors (see below), whose sum is σ = 343786464. Its totient is φ = 32741376.

The previous prime is 133012223. The next prime is 133012237. The reversal of 133012230 is 32210331.

It is an interprime number because it is at equal distance from previous prime (133012223) and next prime (133012237).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170139 + ... + 170918.

It is an arithmetic number, because the mean of its divisors is an integer number (10743327).

Almost surely, 2^133012230 is an apocalyptic number.

133012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133012230 is an abundant number, since it is smaller than the sum of its proper divisors (210774234).

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

133012230 is a wasteful number, since it uses less digits than its factorization.

133012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133012230 is about 11533.0928202282. The cubic root of 133012230 is about 510.4625177488.

Adding to 133012230 its reverse (32210331), we get a palindrome (165222561).

The spelling of 133012230 in words is "one hundred thirty-three million, twelve thousand, two hundred thirty".