133006155225 has 24 divisors (see below), whose sum is σ = 219926986272. Its totient is φ = 70929043200.

The previous prime is 133006155223. The next prime is 133006155239. The reversal of 133006155225 is 522551600331.

It is a happy number.

It is not a de Polignac number, because 133006155225 - 2¹ = 133006155223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133006155223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651505 + ... + 830945.

It is an arithmetic number, because the mean of its divisors is an integer number (9163624428).

Almost surely, 2^133006155225 is an apocalyptic number.

133006155225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133006155225 is a deficient number, since it is larger than the sum of its proper divisors (86920831047).

133006155225 is a wasteful number, since it uses less digits than its factorization.

133006155225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189337 (or 189332 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 133006155225 its reverse (522551600331), we get a palindrome (655557755556).

The spelling of 133006155225 in words is "one hundred thirty-three billion, six million, one hundred fifty-five thousand, two hundred twenty-five".