139255484 has 12 divisors (see below), whose sum is σ = 256523400. Its totient is φ = 65963088.

The previous prime is 139255481. The next prime is 139255499. The reversal of 139255484 is 484552931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139255481) 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, 916079 + ... + 916230.

It is an arithmetic number, because the mean of its divisors is an integer number (21376950).

Almost surely, 2^139255484 is an apocalyptic number.

It is an amenable number.

139255484 is a deficient number, since it is larger than the sum of its proper divisors (117267916).

139255484 is a wasteful number, since it uses less digits than its factorization.

139255484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832332 (or 1832330 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 139255484 is about 11800.6560834557. The cubic root of 139255484 is about 518.3273225271.

The spelling of 139255484 in words is "one hundred thirty-nine million, two hundred fifty-five thousand, four hundred eighty-four".