542527552138 has 36 divisors (see below), whose sum is σ = 968598397494. Its totient is φ = 227633920800.

The previous prime is 542527552111. The next prime is 542527552163. The reversal of 542527552138 is 831255725245.

It can be written as a sum of positive squares in 3 ways, for example, as 169911313209 + 372616238929 = 412203^2 + 610423^2 .

It is a super-2 number, since 2×542527552138² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542527552091 and 542527552100.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6591793 + ... + 6673588.

Almost surely, 2^542527552138 is an apocalyptic number.

542527552138 is a deficient number, since it is larger than the sum of its proper divisors (426070845356).

542527552138 is a wasteful number, since it uses less digits than its factorization.

542527552138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13265431 (or 13265407 counting only the distinct ones).

The product of its digits is 3360000, while the sum is 49.

The spelling of 542527552138 in words is "five hundred forty-two billion, five hundred twenty-seven million, five hundred fifty-two thousand, one hundred thirty-eight".