13430142 has 24 divisors (see below), whose sum is σ = 31744440. Its totient is φ = 4069680.

The previous prime is 13430141. The next prime is 13430143. The reversal of 13430142 is 24103431.

It is an interprime number because it is at equal distance from previous prime (13430141) and next prime (13430143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33717 + ... + 34112.

It is an arithmetic number, because the mean of its divisors is an integer number (1322685).

Almost surely, 2^13430142 is an apocalyptic number.

13430142 is an abundant number, since it is smaller than the sum of its proper divisors (18314298).

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

13430142 is a wasteful number, since it uses less digits than its factorization.

13430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67848 (or 67845 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13430142 is about 3664.7158143572. The cubic root of 13430142 is about 237.6987337508.

Adding to 13430142 its reverse (24103431), we get a palindrome (37533573).

Subtracting 13430142 from its reverse (24103431), we obtain a square (10673289 = 3267²).

It can be divided in two parts, 134 and 30142, that added together give a square (30276 = 174²).

The spelling of 13430142 in words is "thirteen million, four hundred thirty thousand, one hundred forty-two".