65290132 has 24 divisors (see below), whose sum is σ = 121371264. Its totient is φ = 30625152.

The previous prime is 65290129. The next prime is 65290171. The reversal of 65290132 is 23109256.

It is a self number, because there is not a number n which added to its sum of digits gives 65290132.

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, 22213 + ... + 24979.

It is an arithmetic number, because the mean of its divisors is an integer number (5057136).

Almost surely, 2^65290132 is an apocalyptic number.

It is an amenable number.

65290132 is a deficient number, since it is larger than the sum of its proper divisors (56081132).

65290132 is a wasteful number, since it uses less digits than its factorization.

65290132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 65290132 is about 8080.2309372938. The cubic root of 65290132 is about 402.6699142441.

Adding to 65290132 its reverse (23109256), we get a palindrome (88399388).

The spelling of 65290132 in words is "sixty-five million, two hundred ninety thousand, one hundred thirty-two".