3420043142 has 4 divisors (see below), whose sum is σ = 5130064716. Its totient is φ = 1710021570.

The previous prime is 3420043129. The next prime is 3420043171. The reversal of 3420043142 is 2413400243.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855010784 + ... + 855010787.

It is an arithmetic number, because the mean of its divisors is an integer number (1282516179).

Almost surely, 2^3420043142 is an apocalyptic number.

3420043142 is a deficient number, since it is larger than the sum of its proper divisors (1710021574).

3420043142 is a wasteful number, since it uses less digits than its factorization.

3420043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710021573.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3420043142 is about 58481.1349240078. The cubic root of 3420043142 is about 1506.6435897759.

Adding to 3420043142 its reverse (2413400243), we get a palindrome (5833443385).

The spelling of 3420043142 in words is "three billion, four hundred twenty million, forty-three thousand, one hundred forty-two".