139527664 has 10 divisors (see below), whose sum is σ = 270334880. Its totient is φ = 69763824.

The previous prime is 139527599. The next prime is 139527677. The reversal of 139527664 is 466725931.

It is a self number, because there is not a number n which added to its sum of digits gives 139527664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4360224 + ... + 4360255.

It is an arithmetic number, because the mean of its divisors is an integer number (27033488).

Almost surely, 2^139527664 is an apocalyptic number.

It is an amenable number.

139527664 is a deficient number, since it is larger than the sum of its proper divisors (130807216).

139527664 is an equidigital number, since it uses as much as digits as its factorization.

139527664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720487 (or 8720481 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 139527664 is about 11812.1828634677. The cubic root of 139527664 is about 518.6647994006.

The spelling of 139527664 in words is "one hundred thirty-nine million, five hundred twenty-seven thousand, six hundred sixty-four".