133534472625 has 48 divisors (see below), whose sum is σ = 241400781648. Its totient is φ = 71016422400.

The previous prime is 133534472611. The next prime is 133534472629. The reversal of 133534472625 is 526274435331.

It is a happy number.

133534472625 is a `hidden beast` number, since 1 + 33 + 534 + 47 + 26 + 25 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 86344296336 + 47190176289 = 293844^2 + 217233^2 .

It is not a de Polignac number, because 133534472625 - 2⁸ = 133534472369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133534472629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228999 + ... + 565251.

It is an arithmetic number, because the mean of its divisors is an integer number (5029182951).

Almost surely, 2^133534472625 is an apocalyptic number.

133534472625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133534472625 is a deficient number, since it is larger than the sum of its proper divisors (107866309023).

133534472625 is a wasteful number, since it uses less digits than its factorization.

133534472625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336627 (or 336614 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The spelling of 133534472625 in words is "one hundred thirty-three billion, five hundred thirty-four million, four hundred seventy-two thousand, six hundred twenty-five".