36918143 has 2 divisors, whose sum is σ = 36918144. Its totient is φ = 36918142.

The previous prime is 36918109. The next prime is 36918149. The reversal of 36918143 is 34181963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36918143 - 2⁸ = 36917887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36918149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459071 + 18459072.

It is an arithmetic number, because the mean of its divisors is an integer number (18459072).

Almost surely, 2^36918143 is an apocalyptic number.

36918143 is a deficient number, since it is larger than the sum of its proper divisors (1).

36918143 is an equidigital number, since it uses as much as digits as its factorization.

36918143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 36918143 is about 6076.0302007149. The cubic root of 36918143 is about 332.9762688737.

The spelling of 36918143 in words is "thirty-six million, nine hundred eighteen thousand, one hundred forty-three".