133420052 has 12 divisors (see below), whose sum is σ = 245773920. Its totient is φ = 63198936.

The previous prime is 133420037. The next prime is 133420057. The reversal of 133420052 is 250024331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133420057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877688 + ... + 877839.

It is an arithmetic number, because the mean of its divisors is an integer number (20481160).

Almost surely, 2^133420052 is an apocalyptic number.

It is an amenable number.

133420052 is a deficient number, since it is larger than the sum of its proper divisors (112353868).

133420052 is a wasteful number, since it uses less digits than its factorization.

133420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755550 (or 1755548 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 133420052 is about 11550.7598018485. The cubic root of 133420052 is about 510.9836864800.

Adding to 133420052 its reverse (250024331), we get a palindrome (383444383).

The spelling of 133420052 in words is "one hundred thirty-three million, four hundred twenty thousand, fifty-two".