65240132 has 6 divisors (see below), whose sum is σ = 114170238. Its totient is φ = 32620064.

The previous prime is 65240113. The next prime is 65240137. The reversal of 65240132 is 23104256.

It can be written as a sum of positive squares in only one way, i.e., 65060356 + 179776 = 8066^2 + 424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65240098 and 65240107.

It is not an unprimeable number, because it can be changed into a prime (65240137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8155013 + ... + 8155020.

It is an arithmetic number, because the mean of its divisors is an integer number (19028373).

Almost surely, 2^65240132 is an apocalyptic number.

It is an amenable number.

65240132 is a deficient number, since it is larger than the sum of its proper divisors (48930106).

65240132 is a wasteful number, since it uses less digits than its factorization.

65240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310037 (or 16310035 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 65240132 is about 8077.1363737404. The cubic root of 65240132 is about 402.5670981075.

Adding to 65240132 its reverse (23104256), we get a palindrome (88344388).

The spelling of 65240132 in words is "sixty-five million, two hundred forty thousand, one hundred thirty-two".