3521016142 has 16 divisors (see below), whose sum is σ = 6037192800. Its totient is φ = 1508715648.

The previous prime is 3521016133. The next prime is 3521016193. The reversal of 3521016142 is 2416101253.

It is a happy number.

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, 61234 + ... + 103882.

It is an arithmetic number, because the mean of its divisors is an integer number (377324550).

Almost surely, 2^3521016142 is an apocalyptic number.

3521016142 is a deficient number, since it is larger than the sum of its proper divisors (2516176658).

3521016142 is a wasteful number, since it uses less digits than its factorization.

3521016142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48555.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3521016142 is about 59338.1508137893. The cubic root of 3521016142 is about 1521.3273467262.

Adding to 3521016142 its reverse (2416101253), we get a palindrome (5937117395).

The spelling of 3521016142 in words is "three billion, five hundred twenty-one million, sixteen thousand, one hundred forty-two".