139466764 has 24 divisors (see below), whose sum is σ = 263861360. Its totient is φ = 64276416.

The previous prime is 139466753. The next prime is 139466773. The reversal of 139466764 is 467664931.

It is a happy number.

139466764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21987 + ... + 27610.

Almost surely, 2^139466764 is an apocalyptic number.

It is an amenable number.

139466764 is a deficient number, since it is larger than the sum of its proper divisors (124394596).

139466764 is a wasteful number, since it uses less digits than its factorization.

139466764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49657 (or 49655 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 139466764 is about 11809.6047351298. The cubic root of 139466764 is about 518.5893274307.

The spelling of 139466764 in words is "one hundred thirty-nine million, four hundred sixty-six thousand, seven hundred sixty-four".