13144158 has 24 divisors (see below), whose sum is σ = 28948296. Its totient is φ = 4309200.

The previous prime is 13144141. The next prime is 13144169. The reversal of 13144158 is 85144131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4888 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (1206179).

Almost surely, 2^13144158 is an apocalyptic number.

13144158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13144158 is an abundant number, since it is smaller than the sum of its proper divisors (15804138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144158 is a wasteful number, since it uses less digits than its factorization.

13144158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040 (or 12037 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 13144158 is about 3625.4872775946. The cubic root of 13144158 is about 235.9994134813. Note that the first 3 decimals are identical.

Subtracting from 13144158 its sum of digits (27), we obtain a palindrome (13144131).

Adding to 13144158 its reverse (85144131), we get a palindrome (98288289).

The spelling of 13144158 in words is "thirteen million, one hundred forty-four thousand, one hundred fifty-eight".