3420140142 has 8 divisors (see below), whose sum is σ = 6840280296. Its totient is φ = 1140046712.

The previous prime is 3420140123. The next prime is 3420140147. The reversal of 3420140142 is 2410410243.

It is a sphenic number, since it is the product of 3 distinct primes.

3420140142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420140147) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 285011673 + ... + 285011684.

It is an arithmetic number, because the mean of its divisors is an integer number (855035037).

Almost surely, 2^3420140142 is an apocalyptic number.

3420140142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3420140142 is a wasteful number, since it uses less digits than its factorization.

3420140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570023362.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3420140142 is about 58481.9642453979. The cubic root of 3420140142 is about 1506.6578335578.

Adding to 3420140142 its reverse (2410410243), we get a palindrome (5830550385).

The spelling of 3420140142 in words is "three billion, four hundred twenty million, one hundred forty thousand, one hundred forty-two".