13144014452 has 6 divisors (see below), whose sum is σ = 23002025298. Its totient is φ = 6572007224.

The previous prime is 13144014449. The next prime is 13144014463. The reversal of 13144014452 is 25441044131.

It can be written as a sum of positive squares in only one way, i.e., 13143705316 + 309136 = 114646^2 + 556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643001803 + ... + 1643001810.

It is an arithmetic number, because the mean of its divisors is an integer number (3833670883).

Almost surely, 2^13144014452 is an apocalyptic number.

It is an amenable number.

13144014452 is a deficient number, since it is larger than the sum of its proper divisors (9858010846).

13144014452 is a wasteful number, since it uses less digits than its factorization.

13144014452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286003617 (or 3286003615 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 13144014452 its reverse (25441044131), we get a palindrome (38585058583).

The spelling of 13144014452 in words is "thirteen billion, one hundred forty-four million, fourteen thousand, four hundred fifty-two".