133025355 has 32 divisors (see below), whose sum is σ = 236966400. Its totient is φ = 70803936.

The previous prime is 133025329. The next prime is 133025393. The reversal of 133025355 is 553520331.

133025355 is a `hidden beast` number, since 1 + 3 + 302 + 5 + 355 = 666.

It is not a de Polignac number, because 133025355 - 2⁷ = 133025227 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130036 + ... + 131054.

It is an arithmetic number, because the mean of its divisors is an integer number (7405200).

Almost surely, 2^133025355 is an apocalyptic number.

133025355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133025355 is a deficient number, since it is larger than the sum of its proper divisors (103941045).

133025355 is a wasteful number, since it uses less digits than its factorization.

133025355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 133025355 is about 11533.6618209483. The cubic root of 133025355 is about 510.4793071828.

Adding to 133025355 its reverse (553520331), we get a palindrome (686545686).

The spelling of 133025355 in words is "one hundred thirty-three million, twenty-five thousand, three hundred fifty-five".