13142042 has 4 divisors (see below), whose sum is σ = 19713066. Its totient is φ = 6571020.

The previous prime is 13142027. The next prime is 13142057. The reversal of 13142042 is 24024131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13142027) and next prime (13142057).

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 261121 = 3589^2 + 511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13142042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285509 + ... + 3285512.

Almost surely, 2^13142042 is an apocalyptic number.

13142042 is a deficient number, since it is larger than the sum of its proper divisors (6571024).

13142042 is an equidigital number, since it uses as much as digits as its factorization.

13142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571023.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13142042 is about 3625.1954430072. The cubic root of 13142042 is about 235.9867487532.

Adding to 13142042 its reverse (24024131), we get a palindrome (37166173).

The spelling of 13142042 in words is "thirteen million, one hundred forty-two thousand, forty-two".