65139484544760 has 64 divisors (see below), whose sum is σ = 195428354849280. Its totient is φ = 17369649104000.

The previous prime is 65139484544663. The next prime is 65139484544777. The reversal of 65139484544760 is 6744548493156.

It is a junction number, because it is equal to n+sod(n) for n = 65139484544691 and 65139484544700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11371692 + ... + 16111931.

It is an arithmetic number, because the mean of its divisors is an integer number (3053568044520).

Almost surely, 2^{65139484544760} is an apocalyptic number.

65139484544760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65139484544760 is an abundant number, since it is smaller than the sum of its proper divisors (130288870304520).

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

65139484544760 is a wasteful number, since it uses less digits than its factorization.

65139484544760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27503388 (or 27503384 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 66.

The spelling of 65139484544760 in words is "sixty-five trillion, one hundred thirty-nine billion, four hundred eighty-four million, five hundred forty-four thousand, seven hundred sixty".