133051230 has 48 divisors (see below), whose sum is σ = 372546720. Its totient is φ = 32750784.

The previous prime is 133051229. The next prime is 133051267. The reversal of 133051230 is 32150331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55690 + ... + 58029.

It is an arithmetic number, because the mean of its divisors is an integer number (7761390).

Almost surely, 2^133051230 is an apocalyptic number.

133051230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133051230 is an abundant number, since it is smaller than the sum of its proper divisors (239495490).

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

133051230 is a wasteful number, since it uses less digits than its factorization.

133051230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113745 (or 113742 counting only the distinct ones).

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

The square root of 133051230 is about 11534.7834830135. The cubic root of 133051230 is about 510.5124031184.

It can be divided in two parts, 13305 and 1230, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 133051230 in words is "one hundred thirty-three million, fifty-one thousand, two hundred thirty".