133105052 has 6 divisors (see below), whose sum is σ = 232933848. Its totient is φ = 66552524.

The previous prime is 133105031. The next prime is 133105067. The reversal of 133105052 is 250501331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16638128 + ... + 16638135.

It is an arithmetic number, because the mean of its divisors is an integer number (38822308).

Almost surely, 2^133105052 is an apocalyptic number.

It is an amenable number.

133105052 is a deficient number, since it is larger than the sum of its proper divisors (99828796).

133105052 is a wasteful number, since it uses less digits than its factorization.

133105052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33276267 (or 33276265 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 133105052 is about 11537.1162774759. The cubic root of 133105052 is about 510.5812314798.

Adding to 133105052 its reverse (250501331), we get a palindrome (383606383).

The spelling of 133105052 in words is "one hundred thirty-three million, one hundred five thousand, fifty-two".