36436139 has 4 divisors (see below), whose sum is σ = 37211424. Its totient is φ = 35660856.

The previous prime is 36436133. The next prime is 36436159. The reversal of 36436139 is 93163463.

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 36436139 - 2⁴ = 36436123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36436099 and 36436108.

It is not an unprimeable number, because it can be changed into a prime (36436133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387572 + ... + 387665.

It is an arithmetic number, because the mean of its divisors is an integer number (9302856).

Almost surely, 2^36436139 is an apocalyptic number.

36436139 is a deficient number, since it is larger than the sum of its proper divisors (775285).

36436139 is an equidigital number, since it uses as much as digits as its factorization.

36436139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775284.

The product of its digits is 34992, while the sum is 35.

The square root of 36436139 is about 6036.2354990507. The cubic root of 36436139 is about 331.5208012688.

The spelling of 36436139 in words is "thirty-six million, four hundred thirty-six thousand, one hundred thirty-nine".