13149456746 has 8 divisors (see below), whose sum is σ = 19724830020. Its totient is φ = 6574513408.

The previous prime is 13149456739. The next prime is 13149456757. The reversal of 13149456746 is 64765494131.

13149456746 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12873398521 + 276058225 = 113461^2 + 16615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13149456694 and 13149456703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15161 + ... + 162876.

Almost surely, 2^13149456746 is an apocalyptic number.

13149456746 is a deficient number, since it is larger than the sum of its proper divisors (6575373274).

13149456746 is a wasteful number, since it uses less digits than its factorization.

13149456746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214968.

The product of its digits is 2177280, while the sum is 50.

The spelling of 13149456746 in words is "thirteen billion, one hundred forty-nine million, four hundred fifty-six thousand, seven hundred forty-six".