139489356 has 12 divisors (see below), whose sum is σ = 325475192. Its totient is φ = 46496448.

The previous prime is 139489331. The next prime is 139489379. The reversal of 139489356 is 653984931.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5812045 + ... + 5812068.

Almost surely, 2^139489356 is an apocalyptic number.

It is an amenable number.

139489356 is an abundant number, since it is smaller than the sum of its proper divisors (185985836).

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

139489356 is a wasteful number, since it uses less digits than its factorization.

139489356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624120 (or 11624118 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 139489356 is about 11810.5612059715. The cubic root of 139489356 is about 518.6173277398.

The spelling of 139489356 in words is "one hundred thirty-nine million, four hundred eighty-nine thousand, three hundred fifty-six".