133025655 has 32 divisors (see below), whose sum is σ = 243993600. Its totient is φ = 60625152.

The previous prime is 133025647. The next prime is 133025657. The reversal of 133025655 is 556520331.

It is not a de Polignac number, because 133025655 - 2³ = 133025647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133025657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35931 + ... + 39459.

It is an arithmetic number, because the mean of its divisors is an integer number (7624800).

Almost surely, 2^133025655 is an apocalyptic number.

133025655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133025655 is a deficient number, since it is larger than the sum of its proper divisors (110967945).

133025655 is a wasteful number, since it uses less digits than its factorization.

133025655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 133025655 is about 11533.6748263509. The cubic root of 133025655 is about 510.4796909284.

Adding to 133025655 its reverse (556520331), we get a palindrome (689545986).

The spelling of 133025655 in words is "one hundred thirty-three million, twenty-five thousand, six hundred fifty-five".