136312052 has 18 divisors (see below), whose sum is σ = 253405782. Its totient is φ = 64146304.

The previous prime is 136312031. The next prime is 136312091. The reversal of 136312052 is 250213631.

It can be written as a sum of positive squares in 3 ways, for example, as 51782416 + 84529636 = 7196^2 + 9194^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57803 + ... + 60114.

It is an arithmetic number, because the mean of its divisors is an integer number (14078099).

Almost surely, 2^136312052 is an apocalyptic number.

It is an amenable number.

136312052 is a deficient number, since it is larger than the sum of its proper divisors (117093730).

136312052 is a wasteful number, since it uses less digits than its factorization.

136312052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117955 (or 117936 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 136312052 is about 11675.2752430082. The cubic root of 136312052 is about 514.6493380640.

Adding to 136312052 its reverse (250213631), we get a palindrome (386525683).

The spelling of 136312052 in words is "one hundred thirty-six million, three hundred twelve thousand, fifty-two".