536838138 has 32 divisors (see below), whose sum is σ = 1263150720. Its totient is φ = 168419520.

The previous prime is 536838097. The next prime is 536838139. The reversal of 536838138 is 831838635.

536838138 is a `hidden beast` number, since 536 + 8 + 3 + 81 + 38 = 666.

It is a super-2 number, since 2×536838138² = 576390372822614088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 536838093 and 536838102.

It is not an unprimeable number, because it can be changed into a prime (536838139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291478 + ... + 293313.

It is an arithmetic number, because the mean of its divisors is an integer number (39473460).

Almost surely, 2^536838138 is an apocalyptic number.

536838138 is an abundant number, since it is smaller than the sum of its proper divisors (726312582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

536838138 is a wasteful number, since it uses less digits than its factorization.

536838138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584819 (or 584813 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 536838138 is about 23169.7677588706. The cubic root of 536838138 is about 812.7327998158.

The spelling of 536838138 in words is "five hundred thirty-six million, eight hundred thirty-eight thousand, one hundred thirty-eight".