133725847 has 8 divisors (see below), whose sum is σ = 140304512. Its totient is φ = 127288800.

The previous prime is 133725821. The next prime is 133725869. The reversal of 133725847 is 748527331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133725847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133725047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33468 + ... + 37249.

It is an arithmetic number, because the mean of its divisors is an integer number (17538064).

Almost surely, 2^133725847 is an apocalyptic number.

133725847 is a deficient number, since it is larger than the sum of its proper divisors (6578665).

133725847 is an equidigital number, since it uses as much as digits as its factorization.

133725847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70809.

The product of its digits is 141120, while the sum is 40.

The square root of 133725847 is about 11563.9892338241. The cubic root of 133725847 is about 511.3737753448.

The spelling of 133725847 in words is "one hundred thirty-three million, seven hundred twenty-five thousand, eight hundred forty-seven".