139828664 has 8 divisors (see below), whose sum is σ = 262178760. Its totient is φ = 69914328.

The previous prime is 139828649. The next prime is 139828669. The reversal of 139828664 is 466828931.

139828664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139828669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8739284 + ... + 8739299.

It is an arithmetic number, because the mean of its divisors is an integer number (32772345).

Almost surely, 2^139828664 is an apocalyptic number.

It is an amenable number.

139828664 is a deficient number, since it is larger than the sum of its proper divisors (122350096).

139828664 is a wasteful number, since it uses less digits than its factorization.

139828664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17478589 (or 17478585 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 139828664 is about 11824.9170821617. The cubic root of 139828664 is about 519.0374996262.

The spelling of 139828664 in words is "one hundred thirty-nine million, eight hundred twenty-eight thousand, six hundred sixty-four".