65140612 has 24 divisors (see below), whose sum is σ = 118301400. Its totient is φ = 31347456.

The previous prime is 65140597. The next prime is 65140627. The reversal of 65140612 is 21604156.

It is an interprime number because it is at equal distance from previous prime (65140597) and next prime (65140627).

It can be written as a sum of positive squares in 4 ways, for example, as 45373696 + 19766916 = 6736^2 + 4446^2 .

It is a super-3 number, since 3×65140612³ (a number of 24 digits) contains 333 as substring.

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, 46758 + ... + 48130.

It is an arithmetic number, because the mean of its divisors is an integer number (4929225).

Almost surely, 2^65140612 is an apocalyptic number.

It is an amenable number.

65140612 is a deficient number, since it is larger than the sum of its proper divisors (53160788).

65140612 is a wasteful number, since it uses less digits than its factorization.

65140612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 65140612 is about 8070.9734233239. The cubic root of 65140612 is about 402.3622964251.

Adding to 65140612 its reverse (21604156), we get a palindrome (86744768).

The spelling of 65140612 in words is "sixty-five million, one hundred forty thousand, six hundred twelve".