136538852 has 12 divisors (see below), whose sum is σ = 239248380. Its totient is φ = 68182176.

The previous prime is 136538851. The next prime is 136538861. The reversal of 136538852 is 258835631.

136538852 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 90516196 + 46022656 = 9514^2 + 6784^2 .

It is a super-3 number, since 3×136538852³ (a number of 25 digits) contains 333 as substring.

136538852 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (136538851) 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, 18227 + ... + 24602.

It is an arithmetic number, because the mean of its divisors is an integer number (19937365).

Almost surely, 2^136538852 is an apocalyptic number.

It is an amenable number.

136538852 is a deficient number, since it is larger than the sum of its proper divisors (102709528).

136538852 is a wasteful number, since it uses less digits than its factorization.

136538852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43630 (or 43628 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 136538852 is about 11684.9840393558. The cubic root of 136538852 is about 514.9346094750.

The spelling of 136538852 in words is "one hundred thirty-six million, five hundred thirty-eight thousand, eight hundred fifty-two".