13444040137 has 8 divisors (see below), whose sum is σ = 14671340352. Its totient is φ = 12217592400.

The previous prime is 13444040101. The next prime is 13444040143. The reversal of 13444040137 is 73104044431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13444040137 - 2⁷ = 13444040009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444040099 and 13444040108.

It is not an unprimeable number, because it can be changed into a prime (13444040177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179914 + ... + 243427.

It is an arithmetic number, because the mean of its divisors is an integer number (1833917544).

Almost surely, 2^13444040137 is an apocalyptic number.

It is an amenable number.

13444040137 is a deficient number, since it is larger than the sum of its proper divisors (1227300215).

13444040137 is a wasteful number, since it uses less digits than its factorization.

13444040137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426239.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 13444040137 its reverse (73104044431), we get a palindrome (86548084568).

The spelling of 13444040137 in words is "thirteen billion, four hundred forty-four million, forty thousand, one hundred thirty-seven".