133450013025 has 120 divisors (see below), whose sum is σ = 289080507584. Its totient is φ = 59586710400.

The previous prime is 133450012961. The next prime is 133450013057. The reversal of 133450013025 is 520310054331.

133450013025 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 500 + 130 + 25 = 666.

It is not a de Polignac number, because 133450013025 - 2⁶ = 133450012961 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133450013025.

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 119 ways as a sum of consecutive naturals, for example, 500055 + ... + 718995.

Almost surely, 2^133450013025 is an apocalyptic number.

133450013025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133450013025 is an abundant number, since it is smaller than the sum of its proper divisors (155630494559).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133450013025 is a wasteful number, since it uses less digits than its factorization.

133450013025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219013 (or 218999 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 133450013025 its reverse (520310054331), we get a palindrome (653760067356).

The spelling of 133450013025 in words is "one hundred thirty-three billion, four hundred fifty million, thirteen thousand, twenty-five".