136161535 has 4 divisors (see below), whose sum is σ = 163393848. Its totient is φ = 108929224.

The previous prime is 136161527. The next prime is 136161569. The reversal of 136161535 is 535161631.

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

It is a cyclic number.

It is not a de Polignac number, because 136161535 - 2³ = 136161527 is a prime.

It is a super-2 number, since 2×136161535² = 37079927227112450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136161497 and 136161506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13616149 + ... + 13616158.

It is an arithmetic number, because the mean of its divisors is an integer number (40848462).

Almost surely, 2^136161535 is an apocalyptic number.

136161535 is a deficient number, since it is larger than the sum of its proper divisors (27232313).

136161535 is an equidigital number, since it uses as much as digits as its factorization.

136161535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27232312.

The product of its digits is 8100, while the sum is 31.

The square root of 136161535 is about 11668.8274903694. The cubic root of 136161535 is about 514.4598414818.

It can be divided in two parts, 13616 and 1535, that added together give a palindrome (15151).

The spelling of 136161535 in words is "one hundred thirty-six million, one hundred sixty-one thousand, five hundred thirty-five".