139066484 has 12 divisors (see below), whose sum is σ = 251758500. Its totient is φ = 67135488.

The previous prime is 139066439. The next prime is 139066489. The reversal of 139066484 is 484660931.

139066484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 112954384 = 5110^2 + 10628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139066489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599309 + ... + 599540.

It is an arithmetic number, because the mean of its divisors is an integer number (20979875).

Almost surely, 2^139066484 is an apocalyptic number.

It is an amenable number.

139066484 is a deficient number, since it is larger than the sum of its proper divisors (112692016).

139066484 is a wasteful number, since it uses less digits than its factorization.

139066484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198882 (or 1198880 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 139066484 is about 11792.6453351231. The cubic root of 139066484 is about 518.0927220312.

The spelling of 139066484 in words is "one hundred thirty-nine million, sixty-six thousand, four hundred eighty-four".