65136842 has 16 divisors (see below), whose sum is σ = 101273760. Its totient is φ = 31383408.

The previous prime is 65136833. The next prime is 65136853. The reversal of 65136842 is 24863156.

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, 44933 + ... + 46359.

It is an arithmetic number, because the mean of its divisors is an integer number (6329610).

Almost surely, 2^65136842 is an apocalyptic number.

65136842 is a deficient number, since it is larger than the sum of its proper divisors (36136918).

65136842 is a wasteful number, since it uses less digits than its factorization.

65136842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its digits is 34560, while the sum is 35.

The square root of 65136842 is about 8070.7398669515. The cubic root of 65136842 is about 402.3545340627.

Adding to 65136842 its reverse (24863156), we get a palindrome (89999998).

The spelling of 65136842 in words is "sixty-five million, one hundred thirty-six thousand, eight hundred forty-two".