13133640446 has 16 divisors (see below), whose sum is σ = 20762634960. Its totient is φ = 6213605760.

The previous prime is 13133640439. The next prime is 13133640463. The reversal of 13133640446 is 64404633131.

It is a super-2 number, since 2×13133640446² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179291 + ... + 241686.

It is an arithmetic number, because the mean of its divisors is an integer number (1297664685).

Almost surely, 2^13133640446 is an apocalyptic number.

13133640446 is a deficient number, since it is larger than the sum of its proper divisors (7628994514).

13133640446 is a wasteful number, since it uses less digits than its factorization.

13133640446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421819.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 13133640446 in words is "thirteen billion, one hundred thirty-three million, six hundred forty thousand, four hundred forty-six".