36135591 has 16 divisors (see below), whose sum is σ = 51351264. Its totient is φ = 22523904.

The previous prime is 36135581. The next prime is 36135611. The reversal of 36135591 is 19553163.

36135591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36135591 - 2¹⁸ = 35873447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36135581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5751 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (3209454).

Almost surely, 2^36135591 is an apocalyptic number.

36135591 is a deficient number, since it is larger than the sum of its proper divisors (15215673).

36135591 is a wasteful number, since it uses less digits than its factorization.

36135591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its digits is 12150, while the sum is 33.

The square root of 36135591 is about 6011.2886305683. The cubic root of 36135591 is about 330.6067533166.

The spelling of 36135591 in words is "thirty-six million, one hundred thirty-five thousand, five hundred ninety-one".