13029836146 has 4 divisors (see below), whose sum is σ = 19544754222. Its totient is φ = 6514918072.

The previous prime is 13029836143. The next prime is 13029836153. The reversal of 13029836146 is 64163892031.

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., 12828054121 + 201782025 = 113261^2 + 14205^2 .

It is not an unprimeable number, because it can be changed into a prime (13029836143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257459035 + ... + 3257459038.

Almost surely, 2^13029836146 is an apocalyptic number.

13029836146 is a deficient number, since it is larger than the sum of its proper divisors (6514918076).

13029836146 is an equidigital number, since it uses as much as digits as its factorization.

13029836146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514918075.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 13029836146 in words is "thirteen billion, twenty-nine million, eight hundred thirty-six thousand, one hundred forty-six".