3421240142 has 16 divisors (see below), whose sum is σ = 5315209200. Its totient is φ = 1651609624.

The previous prime is 3421240127. The next prime is 3421240159. The reversal of 3421240142 is 2410421243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13709 + ... + 83847.

It is an arithmetic number, because the mean of its divisors is an integer number (332200575).

Almost surely, 2^3421240142 is an apocalyptic number.

3421240142 is a deficient number, since it is larger than the sum of its proper divisors (1893969058).

3421240142 is an frugal number, since it uses more digits than its factorization.

3421240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70228 (or 70170 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3421240142 is about 58491.3680982074. The cubic root of 3421240142 is about 1506.8193421414.

Adding to 3421240142 its reverse (2410421243), we get a palindrome (5831661385).

The spelling of 3421240142 in words is "three billion, four hundred twenty-one million, two hundred forty thousand, one hundred forty-two".