536726138 has 8 divisors (see below), whose sum is σ = 867019188. Its totient is φ = 247719744.

The previous prime is 536726131. The next prime is 536726147. The reversal of 536726138 is 831627635.

It can be written as a sum of positive squares in 2 ways, for example, as 439447369 + 97278769 = 20963^2 + 9863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 536726095 and 536726104.

It is not an unprimeable number, because it can be changed into a prime (536726131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10321631 + ... + 10321682.

Almost surely, 2^536726138 is an apocalyptic number.

536726138 is a deficient number, since it is larger than the sum of its proper divisors (330293050).

536726138 is a wasteful number, since it uses less digits than its factorization.

536726138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20643328.

The product of its digits is 181440, while the sum is 41.

The square root of 536726138 is about 23167.3506901415. The cubic root of 536726138 is about 812.6762760097.

The spelling of 536726138 in words is "five hundred thirty-six million, seven hundred twenty-six thousand, one hundred thirty-eight".