13266530146 has 16 divisors (see below), whose sum is σ = 20403944568. Its totient is φ = 6465513600.

The previous prime is 13266530129. The next prime is 13266530149. The reversal of 13266530146 is 64103566231.

It can be written as a sum of positive squares in 4 ways, for example, as 12862962225 + 403567921 = 113415^2 + 20089^2 .

It is a super-2 number, since 2×13266530146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13266530149) 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, 15616 + ... + 163636.

Almost surely, 2^13266530146 is an apocalyptic number.

13266530146 is a deficient number, since it is larger than the sum of its proper divisors (7137414422).

13266530146 is a wasteful number, since it uses less digits than its factorization.

13266530146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149157.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 13266530146 in words is "thirteen billion, two hundred sixty-six million, five hundred thirty thousand, one hundred forty-six".