36520143 has 8 divisors (see below), whose sum is σ = 53120256. Its totient is φ = 22133400.

The previous prime is 36520129. The next prime is 36520153. The reversal of 36520143 is 34102563.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36520143 - 2¹⁴ = 36503759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36520103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553303 + ... + 553368.

It is an arithmetic number, because the mean of its divisors is an integer number (6640032).

Almost surely, 2^36520143 is an apocalyptic number.

36520143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

36520143 is a deficient number, since it is larger than the sum of its proper divisors (16600113).

36520143 is a wasteful number, since it uses less digits than its factorization.

36520143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106685.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 36520143 is about 6043.1898034068. The cubic root of 36520143 is about 331.7753809195.

It can be divided in two parts, 36520 and 143, that added together give a palindrome (36663).

The spelling of 36520143 in words is "thirty-six million, five hundred twenty thousand, one hundred forty-three".