36139249 has 4 divisors (see below), whose sum is σ = 37385460. Its totient is φ = 34893040.

The previous prime is 36139237. The next prime is 36139253. The reversal of 36139249 is 94293163.

36139249 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.

It can be written as a sum of positive squares in 2 ways, for example, as 24681024 + 11458225 = 4968^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 36139249 - 2⁵ = 36139217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36139289) 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, 623062 + ... + 623119.

It is an arithmetic number, because the mean of its divisors is an integer number (9346365).

Almost surely, 2^36139249 is an apocalyptic number.

It is an amenable number.

36139249 is a deficient number, since it is larger than the sum of its proper divisors (1246211).

36139249 is a wasteful number, since it uses less digits than its factorization.

36139249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246210.

The product of its digits is 34992, while the sum is 37.

The square root of 36139249 is about 6011.5928837539. The cubic root of 36139249 is about 330.6179086961.

The spelling of 36139249 in words is "thirty-six million, one hundred thirty-nine thousand, two hundred forty-nine".