139548838 has 16 divisors (see below), whose sum is σ = 245918736. Its totient is φ = 58551840.

The previous prime is 139548833. The next prime is 139548883. The reversal of 139548838 is 838845931.

It is a junction number, because it is equal to n+sod(n) for n = 139548791 and 139548800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139548833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243681 + ... + 244252.

It is an arithmetic number, because the mean of its divisors is an integer number (15369921).

Almost surely, 2^139548838 is an apocalyptic number.

139548838 is a deficient number, since it is larger than the sum of its proper divisors (106369898).

139548838 is a wasteful number, since it uses less digits than its factorization.

139548838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487959.

The product of its digits is 829440, while the sum is 49.

The square root of 139548838 is about 11813.0791074978. The cubic root of 139548838 is about 518.6910347068.

The spelling of 139548838 in words is "one hundred thirty-nine million, five hundred forty-eight thousand, eight hundred thirty-eight".