65135508 has 24 divisors (see below), whose sum is σ = 157224480. Its totient is φ = 20963040.

The previous prime is 65135507. The next prime is 65135533. The reversal of 65135508 is 80553156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65135507) 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, 93238 + ... + 93933.

It is an arithmetic number, because the mean of its divisors is an integer number (6551020).

Almost surely, 2^65135508 is an apocalyptic number.

It is an amenable number.

65135508 is an abundant number, since it is smaller than the sum of its proper divisors (92088972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65135508 is a wasteful number, since it uses less digits than its factorization.

65135508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187207 (or 187205 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 65135508 is about 8070.6572223085. The cubic root of 65135508 is about 402.3517873088.

It can be divided in two parts, 6513 and 5508, that added together give a palindrome (12021).

The spelling of 65135508 in words is "sixty-five million, one hundred thirty-five thousand, five hundred eight".