14139642 has 16 divisors (see below), whose sum is σ = 30850272. Its totient is φ = 4284720.

The previous prime is 14139637. The next prime is 14139649. The reversal of 14139642 is 24693141.

It is not an unprimeable number, because it can be changed into a prime (14139649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107053 + ... + 107184.

It is an arithmetic number, because the mean of its divisors is an integer number (1928142).

Almost surely, 2^14139642 is an apocalyptic number.

14139642 is an abundant number, since it is smaller than the sum of its proper divisors (16710630).

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

14139642 is a wasteful number, since it uses less digits than its factorization.

14139642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214253.

The product of its digits is 5184, while the sum is 30.

The square root of 14139642 is about 3760.2715327487. The cubic root of 14139642 is about 241.8129032214.

It can be divided in two parts, 14 and 139642, that added together give a triangular number (139656 = T₅₂₈).

The spelling of 14139642 in words is "fourteen million, one hundred thirty-nine thousand, six hundred forty-two".