133775052 has 12 divisors (see below), whose sum is σ = 312141816. Its totient is φ = 44591680.

The previous prime is 133775027. The next prime is 133775077. The reversal of 133775052 is 250577331.

133775052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133775027) and next prime (133775077).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573949 + ... + 5573972.

It is an arithmetic number, because the mean of its divisors is an integer number (26011818).

Almost surely, 2^133775052 is an apocalyptic number.

133775052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133775052 is an abundant number, since it is smaller than the sum of its proper divisors (178366764).

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

133775052 is a wasteful number, since it uses less digits than its factorization.

133775052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147928 (or 11147926 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 133775052 is about 11566.1165479170. The cubic root of 133775052 is about 511.4364883795.

The spelling of 133775052 in words is "one hundred thirty-three million, seven hundred seventy-five thousand, fifty-two".