65140054 has 16 divisors (see below), whose sum is σ = 114687648. Its totient is φ = 27162432.

The previous prime is 65140027. The next prime is 65140057. The reversal of 65140054 is 45004156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65140057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62359 + ... + 63394.

It is an arithmetic number, because the mean of its divisors is an integer number (7167978).

Almost surely, 2^65140054 is an apocalyptic number.

65140054 is a deficient number, since it is larger than the sum of its proper divisors (49547594).

65140054 is a wasteful number, since it uses less digits than its factorization.

65140054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125799.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 65140054 is about 8070.9388549288. The cubic root of 65140054 is about 402.3611475320.

The spelling of 65140054 in words is "sixty-five million, one hundred forty thousand, fifty-four".