147121820747 has 8 divisors (see below), whose sum is σ = 163127623152. Its totient is φ = 131554533600.

The previous prime is 147121820717. The next prime is 147121820749. The reversal of 147121820747 is 747028121741.

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 147121820747 - 2¹⁶ = 147121755211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147121820698 and 147121820707.

It is not an unprimeable number, because it can be changed into a prime (147121820749) 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, 109628108 + ... + 109629449.

It is an arithmetic number, because the mean of its divisors is an integer number (20390952894).

Almost surely, 2^147121820747 is an apocalyptic number.

147121820747 is a deficient number, since it is larger than the sum of its proper divisors (16005802405).

147121820747 is a wasteful number, since it uses less digits than its factorization.

147121820747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219257629.

The product of its (nonzero) digits is 175616, while the sum is 44.

The spelling of 147121820747 in words is "one hundred forty-seven billion, one hundred twenty-one million, eight hundred twenty thousand, seven hundred forty-seven".