36181039 has 2 divisors, whose sum is σ = 36181040. Its totient is φ = 36181038.

The previous prime is 36181037. The next prime is 36181109. The reversal of 36181039 is 93018163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36181039 - 2¹ = 36181037 is a prime.

Together with 36181037, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36181039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36181031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18090519 + 18090520.

It is an arithmetic number, because the mean of its divisors is an integer number (18090520).

Almost surely, 2^36181039 is an apocalyptic number.

36181039 is a deficient number, since it is larger than the sum of its proper divisors (1).

36181039 is an equidigital number, since it uses as much as digits as its factorization.

36181039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 36181039 is about 6015.0676637923. The cubic root of 36181039 is about 330.7452974363.

The spelling of 36181039 in words is "thirty-six million, one hundred eighty-one thousand, thirty-nine".