13440154 has 16 divisors (see below), whose sum is σ = 24812928. Its totient is φ = 5316912.

The previous prime is 13440121. The next prime is 13440173. The reversal of 13440154 is 45104431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36742 + ... + 37105.

It is an arithmetic number, because the mean of its divisors is an integer number (1550808).

Almost surely, 2^13440154 is an apocalyptic number.

13440154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13440154 is a deficient number, since it is larger than the sum of its proper divisors (11372774).

13440154 is a wasteful number, since it uses less digits than its factorization.

13440154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73869.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 13440154 is about 3666.0815593764. The cubic root of 13440154 is about 237.7577862062.

Adding to 13440154 its reverse (45104431), we get a palindrome (58544585).

The spelling of 13440154 in words is "thirteen million, four hundred forty thousand, one hundred fifty-four".