65613142 has 8 divisors (see below), whose sum is σ = 112479696. Its totient is φ = 28119912.

The previous prime is 65613139. The next prime is 65613151. The reversal of 65613142 is 24131656.

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

It is a super-2 number, since 2×65613142² = 8610168806224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65613142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343313 + ... + 2343340.

It is an arithmetic number, because the mean of its divisors is an integer number (14059962).

Almost surely, 2^65613142 is an apocalyptic number.

65613142 is a deficient number, since it is larger than the sum of its proper divisors (46866554).

65613142 is a wasteful number, since it uses less digits than its factorization.

65613142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686662.

The product of its digits is 4320, while the sum is 28.

The square root of 65613142 is about 8100.1939482953. The cubic root of 65613142 is about 403.3328653927.

Adding to 65613142 its reverse (24131656), we get a palindrome (89744798).

The spelling of 65613142 in words is "sixty-five million, six hundred thirteen thousand, one hundred forty-two".