5139465660 has 96 divisors (see below), whose sum is σ = 18273669120. Its totient is φ = 1174734144.

The previous prime is 5139465641. The next prime is 5139465671. The reversal of 5139465660 is 665649315.

5139465660 is a `hidden beast` number, since 51 + 39 + 4 + 6 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676044 + ... + 683603.

It is an arithmetic number, because the mean of its divisors is an integer number (190350720).

Almost surely, 2^5139465660 is an apocalyptic number.

It is an amenable number.

5139465660 is an abundant number, since it is smaller than the sum of its proper divisors (13134203460).

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

5139465660 is a wasteful number, since it uses less digits than its factorization.

5139465660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359672 (or 1359664 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 5139465660 is about 71690.0666759350. The cubic root of 5139465660 is about 1725.7292342099.

The spelling of 5139465660 in words is "five billion, one hundred thirty-nine million, four hundred sixty-five thousand, six hundred sixty".