10138775272 has 8 divisors (see below), whose sum is σ = 19010203650. Its totient is φ = 5069387632.

The previous prime is 10138775267. The next prime is 10138775321. The reversal of 10138775272 is 27257783101.

10138775272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10069319716 + 69455556 = 100346^2 + 8334^2 .

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

It is a super-2 number, since 2×10138775272² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633673447 + ... + 633673462.

Almost surely, 2^10138775272 is an apocalyptic number.

It is an amenable number.

10138775272 is a deficient number, since it is larger than the sum of its proper divisors (8871428378).

10138775272 is a wasteful number, since it uses less digits than its factorization.

10138775272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267346915 (or 1267346911 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 10138775272 in words is "ten billion, one hundred thirty-eight million, seven hundred seventy-five thousand, two hundred seventy-two".