136561235 has 8 divisors (see below), whose sum is σ = 170998560. Its totient is φ = 104498944.

The previous prime is 136561207. The next prime is 136561241. The reversal of 136561235 is 532165631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136561235 - 2¹⁴ = 136544851 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593630 + ... + 593859.

It is an arithmetic number, because the mean of its divisors is an integer number (21374820).

Almost surely, 2^136561235 is an apocalyptic number.

136561235 is a deficient number, since it is larger than the sum of its proper divisors (34437325).

136561235 is a wasteful number, since it uses less digits than its factorization.

136561235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187517.

The product of its digits is 16200, while the sum is 32.

The square root of 136561235 is about 11685.9417677823. The cubic root of 136561235 is about 514.9627459148.

The spelling of 136561235 in words is "one hundred thirty-six million, five hundred sixty-one thousand, two hundred thirty-five".