138271576 has 8 divisors (see below), whose sum is σ = 259259220. Its totient is φ = 69135784.

The previous prime is 138271571. The next prime is 138271579. The reversal of 138271576 is 675172831.

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 (138271571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8641966 + ... + 8641981.

Almost surely, 2^138271576 is an apocalyptic number.

It is an amenable number.

138271576 is a deficient number, since it is larger than the sum of its proper divisors (120987644).

138271576 is a wasteful number, since it uses less digits than its factorization.

138271576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17283953 (or 17283949 counting only the distinct ones).

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

The square root of 138271576 is about 11758.8934853582. The cubic root of 138271576 is about 517.1036909149.

The spelling of 138271576 in words is "one hundred thirty-eight million, two hundred seventy-one thousand, five hundred seventy-six".