65135541 has 8 divisors (see below), whose sum is σ = 86991520. Its totient is φ = 43351632.

The previous prime is 65135533. The next prime is 65135549. The reversal of 65135541 is 14553156.

It is an interprime number because it is at equal distance from previous prime (65135533) and next prime (65135549).

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

It is not a de Polignac number, because 65135541 - 2³ = 65135533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65135499 and 65135508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65135549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15871 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (10873940).

Almost surely, 2^65135541 is an apocalyptic number.

It is an amenable number.

65135541 is a deficient number, since it is larger than the sum of its proper divisors (21855979).

65135541 is a wasteful number, since it uses less digits than its factorization.

65135541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36035.

The product of its digits is 9000, while the sum is 30.

The square root of 65135541 is about 8070.6592667514. The cubic root of 65135541 is about 402.3518552575.

Adding to 65135541 its reverse (14553156), we get a palindrome (79688697).

The spelling of 65135541 in words is "sixty-five million, one hundred thirty-five thousand, five hundred forty-one".