65357140 has 24 divisors (see below), whose sum is σ = 137401992. Its totient is φ = 26113920.

The previous prime is 65357113. The next prime is 65357141. The reversal of 65357140 is 4175356.

65357140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6084 + 65351056 = 78^2 + 8084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65357141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33882 + ... + 35758.

It is an arithmetic number, because the mean of its divisors is an integer number (5725083).

Almost surely, 2^65357140 is an apocalyptic number.

It is an amenable number.

65357140 is an abundant number, since it is smaller than the sum of its proper divisors (72044852).

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

65357140 is a wasteful number, since it uses less digits than its factorization.

65357140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 65357140 is about 8084.3762901043. The cubic root of 65357140 is about 402.8076220384.

The spelling of 65357140 in words is "sixty-five million, three hundred fifty-seven thousand, one hundred forty".