13305120146 has 4 divisors (see below), whose sum is σ = 19957680222. Its totient is φ = 6652560072.

The previous prime is 13305120121. The next prime is 13305120167. The reversal of 13305120146 is 64102150331.

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., 12901552225 + 403567921 = 113585^2 + 20089^2 .

It is a super-2 number, since 2×13305120146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326280035 + ... + 3326280038.

Almost surely, 2^13305120146 is an apocalyptic number.

13305120146 is a deficient number, since it is larger than the sum of its proper divisors (6652560076).

13305120146 is an equidigital number, since it uses as much as digits as its factorization.

13305120146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652560075.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13305120146 its reverse (64102150331), we get a palindrome (77407270477).

The spelling of 13305120146 in words is "thirteen billion, three hundred five million, one hundred twenty thousand, one hundred forty-six".