134661205307 has 8 divisors (see below), whose sum is σ = 142732084176. Its totient is φ = 126606952192.

The previous prime is 134661205303. The next prime is 134661205403. The reversal of 134661205307 is 703502166431.

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

It is not a de Polignac number, because 134661205307 - 2² = 134661205303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134661205303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139753 + ... + 4172154.

It is an arithmetic number, because the mean of its divisors is an integer number (17841510522).

Almost surely, 2^134661205307 is an apocalyptic number.

134661205307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

134661205307 is a deficient number, since it is larger than the sum of its proper divisors (8070878869).

134661205307 is an equidigital number, since it uses as much as digits as its factorization.

134661205307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312877.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 134661205307 in words is "one hundred thirty-four billion, six hundred sixty-one million, two hundred five thousand, three hundred seven".