138119556 has 12 divisors (see below), whose sum is σ = 322278992. Its totient is φ = 46039848.

The previous prime is 138119551. The next prime is 138119587. The reversal of 138119556 is 655911831.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (138119551) 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 3 ways as a sum of consecutive naturals, for example, 5754970 + ... + 5754993.

Almost surely, 2^138119556 is an apocalyptic number.

It is an amenable number.

138119556 is an abundant number, since it is smaller than the sum of its proper divisors (184159436).

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

138119556 is a wasteful number, since it uses less digits than its factorization.

138119556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11509970 (or 11509968 counting only the distinct ones).

The product of its digits is 32400, while the sum is 39.

The square root of 138119556 is about 11752.4276641041. The cubic root of 138119556 is about 516.9141148845.

The spelling of 138119556 in words is "one hundred thirty-eight million, one hundred nineteen thousand, five hundred fifty-six".