147672314434121 has 4 divisors (see below), whose sum is σ = 148051934780100. Its totient is φ = 147292694088144.

The previous prime is 147672314434087. The next prime is 147672314434129. The reversal of 147672314434121 is 121434413276741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10942440580096 + 136729873854025 = 3307936^2 + 11693155^2 .

It is a cyclic number.

It is not a de Polignac number, because 147672314434121 - 2³⁴ = 147655134564937 is a prime.

It is a super-2 number, since 2×147672314434121² (a number of 29 digits) contains 22 as substring.

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 147672314434121.

It is not an unprimeable number, because it can be changed into a prime (147672314434129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189810172406 + ... + 189810173183.

It is an arithmetic number, because the mean of its divisors is an integer number (37012983695025).

Almost surely, 2^{147672314434121} is an apocalyptic number.

It is an amenable number.

147672314434121 is a deficient number, since it is larger than the sum of its proper divisors (379620345979).

147672314434121 is an equidigital number, since it uses as much as digits as its factorization.

147672314434121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379620345978.

The product of its digits is 2709504, while the sum is 50.

The spelling of 147672314434121 in words is "one hundred forty-seven trillion, six hundred seventy-two billion, three hundred fourteen million, four hundred thirty-four thousand, one hundred twenty-one".