133748697 has 8 divisors (see below), whose sum is σ = 178588800. Its totient is φ = 89037200.

The previous prime is 133748689. The next prime is 133748701. The reversal of 133748697 is 796847331.

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

It is a cyclic number.

It is not a de Polignac number, because 133748697 - 2³ = 133748689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133748687) 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, 29697 + ... + 33902.

It is an arithmetic number, because the mean of its divisors is an integer number (22323600).

Almost surely, 2^133748697 is an apocalyptic number.

It is an amenable number.

133748697 is a deficient number, since it is larger than the sum of its proper divisors (44840103).

133748697 is an equidigital number, since it uses as much as digits as its factorization.

133748697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64303.

The product of its digits is 762048, while the sum is 48.

The square root of 133748697 is about 11564.9771724807. The cubic root of 133748697 is about 511.4029001688.

The spelling of 133748697 in words is "one hundred thirty-three million, seven hundred forty-eight thousand, six hundred ninety-seven".