14181357 has 16 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 9034032.

The previous prime is 14181347. The next prime is 14181359. The reversal of 14181357 is 75318141.

It is a de Polignac number, because none of the positive numbers 2^k-14181357 is a prime.

It is a super-2 number, since 2×14181357² = 402221772722898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14181359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4894 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (1235520).

Almost surely, 2^14181357 is an apocalyptic number.

It is an amenable number.

14181357 is a deficient number, since it is larger than the sum of its proper divisors (5586963).

14181357 is a wasteful number, since it uses less digits than its factorization.

14181357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its digits is 3360, while the sum is 30.

The square root of 14181357 is about 3765.8142545803. The cubic root of 14181357 is about 242.0504698598.

Adding to 14181357 its reverse (75318141), we get a palindrome (89499498).

It can be divided in two parts, 1418 and 1357, that added together give a triangular number (2775 = T₇₄).

The spelling of 14181357 in words is "fourteen million, one hundred eighty-one thousand, three hundred fifty-seven".