65136242 has 16 divisors (see below), whose sum is σ = 99247680. Its totient is φ = 32056752.

The previous prime is 65136223. The next prime is 65136259. The reversal of 65136242 is 24263156.

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, 59048 + ... + 60140.

It is an arithmetic number, because the mean of its divisors is an integer number (6202980).

Almost surely, 2^65136242 is an apocalyptic number.

65136242 is a deficient number, since it is larger than the sum of its proper divisors (34111438).

65136242 is a wasteful number, since it uses less digits than its factorization.

65136242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its digits is 8640, while the sum is 29.

The square root of 65136242 is about 8070.7026955526. The cubic root of 65136242 is about 402.3532986458.

Adding to 65136242 its reverse (24263156), we get a palindrome (89399398).

The spelling of 65136242 in words is "sixty-five million, one hundred thirty-six thousand, two hundred forty-two".