133020270 has 96 divisors (see below), whose sum is σ = 363916800. Its totient is φ = 33646272.

The previous prime is 133020253. The next prime is 133020289. The reversal of 133020270 is 72020331.

133020270 = T₃₁₉ + T₃₂₀ + ... + T₉₃₉.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370351 + ... + 370709.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 2^133020270 is an apocalyptic number.

133020270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133020270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181958400).

133020270 is an abundant number, since it is smaller than the sum of its proper divisors (230896530).

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

133020270 is a wasteful number, since it uses less digits than its factorization.

133020270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 133020270 is about 11533.4413771433. The cubic root of 133020270 is about 510.4728026074.

The spelling of 133020270 in words is "one hundred thirty-three million, twenty thousand, two hundred seventy".