65339144 has 16 divisors (see below), whose sum is σ = 131935020. Its totient is φ = 30156480.

The previous prime is 65339129. The next prime is 65339147. The reversal of 65339144 is 44193356.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52736644 + 12602500 = 7262^2 + 3550^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65339147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314027 + ... + 314234.

Almost surely, 2^65339144 is an apocalyptic number.

It is an amenable number.

65339144 is an abundant number, since it is smaller than the sum of its proper divisors (66595876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65339144 is a wasteful number, since it uses less digits than its factorization.

65339144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628280 (or 628276 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 65339144 is about 8083.2632024449. The cubic root of 65339144 is about 402.7706478002.

The spelling of 65339144 in words is "sixty-five million, three hundred thirty-nine thousand, one hundred forty-four".