4139342 has 4 divisors (see below), whose sum is σ = 6209016. Its totient is φ = 2069670.

The previous prime is 4139341. The next prime is 4139351. The reversal of 4139342 is 2439314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2439314 = 2 ⋅1219657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034834 + ... + 1034837.

It is an arithmetic number, because the mean of its divisors is an integer number (1552254).

Almost surely, 2^4139342 is an apocalyptic number.

4139342 is a deficient number, since it is larger than the sum of its proper divisors (2069674).

4139342 is a wasteful number, since it uses less digits than its factorization.

4139342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069673.

The product of its digits is 2592, while the sum is 26.

The square root of 4139342 is about 2034.5372938337. The cubic root of 4139342 is about 160.5623700173.

The spelling of 4139342 in words is "four million, one hundred thirty-nine thousand, three hundred forty-two".