536138429 has 6 divisors (see below), whose sum is σ = 540042750. Its totient is φ = 532262136.

The previous prime is 536138419. The next prime is 536138431. The reversal of 536138429 is 924831635.

It can be written as a sum of positive squares in only one way, i.e., 406224025 + 129914404 = 20155^2 + 11398^2 .

It is not a de Polignac number, because 536138429 - 2⁴ = 536138413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536138419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5447 + ... + 33195.

It is an arithmetic number, because the mean of its divisors is an integer number (90007125).

Almost surely, 2^536138429 is an apocalyptic number.

It is an amenable number.

536138429 is a deficient number, since it is larger than the sum of its proper divisors (3904321).

536138429 is an equidigital number, since it uses as much as digits as its factorization.

536138429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28027 (or 27888 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 536138429 is about 23154.6632236360. The cubic root of 536138429 is about 812.3795439259.

The spelling of 536138429 in words is "five hundred thirty-six million, one hundred thirty-eight thousand, four hundred twenty-nine".