13447500146 has 4 divisors (see below), whose sum is σ = 20171250222. Its totient is φ = 6723750072.

The previous prime is 13447500083. The next prime is 13447500167. The reversal of 13447500146 is 64100574431.

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

It can be written as a sum of positive squares in only one way, i.e., 6804435121 + 6643065025 = 82489^2 + 81505^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361875035 + ... + 3361875038.

Almost surely, 2^13447500146 is an apocalyptic number.

13447500146 is a deficient number, since it is larger than the sum of its proper divisors (6723750076).

13447500146 is an equidigital number, since it uses as much as digits as its factorization.

13447500146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723750075.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 13447500146 in words is "thirteen billion, four hundred forty-seven million, five hundred thousand, one hundred forty-six".