65140024 has 8 divisors (see below), whose sum is σ = 122137560. Its totient is φ = 32570008.

The previous prime is 65140007. The next prime is 65140027. The reversal of 65140024 is 42004156.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 65139977 and 65140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65140027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4071244 + ... + 4071259.

It is an arithmetic number, because the mean of its divisors is an integer number (15267195).

Almost surely, 2^65140024 is an apocalyptic number.

It is an amenable number.

65140024 is a deficient number, since it is larger than the sum of its proper divisors (56997536).

65140024 is a wasteful number, since it uses less digits than its factorization.

65140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142509 (or 8142505 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 65140024 is about 8070.9369964088. The cubic root of 65140024 is about 402.3610857634.

The spelling of 65140024 in words is "sixty-five million, one hundred forty thousand, twenty-four".