36135997 has 4 divisors (see below), whose sum is σ = 36904896. Its totient is φ = 35367100.

The previous prime is 36135989. The next prime is 36136003. The reversal of 36135997 is 79953163.

It is a happy number.

36135997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36135997 - 2³ = 36135989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36135097) 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 3 ways as a sum of consecutive naturals, for example, 384379 + ... + 384472.

It is an arithmetic number, because the mean of its divisors is an integer number (9226224).

Almost surely, 2^36135997 is an apocalyptic number.

It is an amenable number.

36135997 is a deficient number, since it is larger than the sum of its proper divisors (768899).

36135997 is an equidigital number, since it uses as much as digits as its factorization.

36135997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768898.

The product of its digits is 153090, while the sum is 43.

The square root of 36135997 is about 6011.3224002710. The cubic root of 36135997 is about 330.6079914850.

The spelling of 36135997 in words is "thirty-six million, one hundred thirty-five thousand, nine hundred ninety-seven".