536138237 has 4 divisors (see below), whose sum is σ = 538224636. Its totient is φ = 534051840.

The previous prime is 536138227. The next prime is 536138261. The reversal of 536138237 is 732831635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 513203716 + 22934521 = 22654^2 + 4789^2 .

It is a cyclic number.

It is not a de Polignac number, because 536138237 - 2²⁰ = 535089661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536138237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536138227) 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, 1042814 + ... + 1043327.

It is an arithmetic number, because the mean of its divisors is an integer number (134556159).

Almost surely, 2^536138237 is an apocalyptic number.

It is an amenable number.

536138237 is a deficient number, since it is larger than the sum of its proper divisors (2086399).

536138237 is a wasteful number, since it uses less digits than its factorization.

536138237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086398.

The product of its digits is 90720, while the sum is 38.

The square root of 536138237 is about 23154.6590776025. The cubic root of 536138237 is about 812.3794469504.

The spelling of 536138237 in words is "five hundred thirty-six million, one hundred thirty-eight thousand, two hundred thirty-seven".