138959348 has 12 divisors (see below), whose sum is σ = 265286112. Its totient is φ = 63163320.

The previous prime is 138959339. The next prime is 138959351. The reversal of 138959348 is 843959831.

It is a junction number, because it is equal to n+sod(n) for n = 138959296 and 138959305.

It is a congruent number.

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, 1579040 + ... + 1579127.

It is an arithmetic number, because the mean of its divisors is an integer number (22107176).

Almost surely, 2^138959348 is an apocalyptic number.

It is an amenable number.

138959348 is a deficient number, since it is larger than the sum of its proper divisors (126326764).

138959348 is a wasteful number, since it uses less digits than its factorization.

138959348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158182 (or 3158180 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 138959348 is about 11788.1019676621. The cubic root of 138959348 is about 517.9596426572.

The spelling of 138959348 in words is "one hundred thirty-eight million, nine hundred fifty-nine thousand, three hundred forty-eight".