138127576 has 8 divisors (see below), whose sum is σ = 258989220. Its totient is φ = 69063784.

The previous prime is 138127573. The next prime is 138127597. The reversal of 138127576 is 675721831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138127573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8632966 + ... + 8632981.

Almost surely, 2^138127576 is an apocalyptic number.

It is an amenable number.

138127576 is a deficient number, since it is larger than the sum of its proper divisors (120861644).

138127576 is a wasteful number, since it uses less digits than its factorization.

138127576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17265953 (or 17265949 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 138127576 is about 11752.7688652504. The cubic root of 138127576 is about 516.9241196733.

The spelling of 138127576 in words is "one hundred thirty-eight million, one hundred twenty-seven thousand, five hundred seventy-six".