306132136632561 has 8 divisors (see below), whose sum is σ = 408212852437984. Its totient is φ = 204069755957760.

The previous prime is 306132136632527. The next prime is 306132136632593. The reversal of 306132136632561 is 165236631231603.

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

It is not a de Polignac number, because 306132136632561 - 2⁷ = 306132136632433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 306132136632561.

It is not an unprimeable number, because it can be changed into a prime (306132136632661) 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, 4583743696 + ... + 4583810481.

It is an arithmetic number, because the mean of its divisors is an integer number (51026606554748).

Almost surely, 2^{306132136632561} is an apocalyptic number.

It is an amenable number.

306132136632561 is a deficient number, since it is larger than the sum of its proper divisors (102080715805423).

306132136632561 is a wasteful number, since it uses less digits than its factorization.

306132136632561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167565311.

The product of its (nonzero) digits is 2099520, while the sum is 48.

The spelling of 306132136632561 in words is "three hundred six trillion, one hundred thirty-two billion, one hundred thirty-six million, six hundred thirty-two thousand, five hundred sixty-one".