133133625 has 64 divisors (see below), whose sum is σ = 249699840. Its totient is φ = 70858800.

The previous prime is 133133617. The next prime is 133133653. The reversal of 133133625 is 526331331.

It is a happy number.

133133625 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 33 + 625 = 666.

It is not a de Polignac number, because 133133625 - 2³ = 133133617 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 273132 + ... + 273618.

It is an arithmetic number, because the mean of its divisors is an integer number (3901560).

Almost surely, 2^133133625 is an apocalyptic number.

133133625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133133625 is a deficient number, since it is larger than the sum of its proper divisors (116566215).

133133625 is an frugal number, since it uses more digits than its factorization.

133133625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 495 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 133133625 is about 11538.3545187345. The cubic root of 133133625 is about 510.6177635110.

Adding to 133133625 its reverse (526331331), we get a palindrome (659464956).

The spelling of 133133625 in words is "one hundred thirty-three million, one hundred thirty-three thousand, six hundred twenty-five".