65140535 has 8 divisors (see below), whose sum is σ = 80281536. Its totient is φ = 50703840.

The previous prime is 65140529. The next prime is 65140561. The reversal of 65140535 is 53504156.

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

It is not a de Polignac number, because 65140535 - 2¹² = 65136439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65140498 and 65140507.

It is a congruent number.

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, 175871 + ... + 176240.

It is an arithmetic number, because the mean of its divisors is an integer number (10035192).

Almost surely, 2^65140535 is an apocalyptic number.

65140535 is a deficient number, since it is larger than the sum of its proper divisors (15141001).

65140535 is a wasteful number, since it uses less digits than its factorization.

65140535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352153.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 65140535 is about 8070.9686531420. The cubic root of 65140535 is about 402.3621378865.

The spelling of 65140535 in words is "sixty-five million, one hundred forty thousand, five hundred thirty-five".