13440153 has 8 divisors (see below), whose sum is σ = 17979808. Its totient is φ = 8930304.

The previous prime is 13440121. The next prime is 13440173. The reversal of 13440153 is 35104431.

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

It is not a de Polignac number, because 13440153 - 2⁵ = 13440121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13440173) by changing a digit.

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, 6376 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (2247476).

Almost surely, 2^13440153 is an apocalyptic number.

It is an amenable number.

13440153 is a deficient number, since it is larger than the sum of its proper divisors (4539655).

13440153 is a wasteful number, since it uses less digits than its factorization.

13440153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14903.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13440153 is about 3666.0814229910. The cubic root of 13440153 is about 237.7577803095.

Adding to 13440153 its reverse (35104431), we get a palindrome (48544584).

The spelling of 13440153 in words is "thirteen million, four hundred forty thousand, one hundred fifty-three".