133617617745 has 8 divisors (see below), whose sum is σ = 213788188416. Its totient is φ = 71262729456.

The previous prime is 133617617741. The next prime is 133617617797. The reversal of 133617617745 is 547716716331.

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

It is not a de Polignac number, because 133617617745 - 2² = 133617617741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133617617741) 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, 4453920577 + ... + 4453920606.

It is an arithmetic number, because the mean of its divisors is an integer number (26723523552).

Almost surely, 2^133617617745 is an apocalyptic number.

133617617745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133617617745 is a deficient number, since it is larger than the sum of its proper divisors (80170570671).

133617617745 is an equidigital number, since it uses as much as digits as its factorization.

133617617745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907841191.

The product of its digits is 2222640, while the sum is 51.

The spelling of 133617617745 in words is "one hundred thirty-three billion, six hundred seventeen million, six hundred seventeen thousand, seven hundred forty-five".