13525440346 has 16 divisors (see below), whose sum is σ = 23434453440. Its totient is φ = 5786284480.

The previous prime is 13525440323. The next prime is 13525440361. The reversal of 13525440346 is 64304452531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18081766 + ... + 18082513.

It is an arithmetic number, because the mean of its divisors is an integer number (1464653340).

Almost surely, 2^13525440346 is an apocalyptic number.

13525440346 is a deficient number, since it is larger than the sum of its proper divisors (9909013094).

13525440346 is a wasteful number, since it uses less digits than its factorization.

13525440346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36164309.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13525440346 its reverse (64304452531), we get a palindrome (77829892877).

The spelling of 13525440346 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, three hundred forty-six".