74163136147 has 4 divisors (see below), whose sum is σ = 74654282896. Its totient is φ = 73671989400.

The previous prime is 74163136141. The next prime is 74163136211.

74163136147 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74163136147 - 2¹¹ = 74163134099 is a prime.

It is a pancake number, because a pancake can be divided into 74163136147 parts by 385131 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74163136141) 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, 245573148 + ... + 245573449.

It is an arithmetic number, because the mean of its divisors is an integer number (18663570724).

Almost surely, 2^74163136147 is an apocalyptic number.

74163136147 is a deficient number, since it is larger than the sum of its proper divisors (491146749).

74163136147 is a wasteful number, since it uses less digits than its factorization.

74163136147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491146748.

The product of its digits is 254016, while the sum is 43.

The spelling of 74163136147 in words is "seventy-four billion, one hundred sixty-three million, one hundred thirty-six thousand, one hundred forty-seven".