36131863 has 8 divisors (see below), whose sum is σ = 38372400. Its totient is φ = 33925248.

The previous prime is 36131857. The next prime is 36131891. The reversal of 36131863 is 36813163.

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

It is a cyclic number.

It is not a de Polignac number, because 36131863 - 2⁵ = 36131831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36131803) 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, 6268 + ... + 10561.

It is an arithmetic number, because the mean of its divisors is an integer number (4796550).

Almost surely, 2^36131863 is an apocalyptic number.

36131863 is a deficient number, since it is larger than the sum of its proper divisors (2240537).

36131863 is a wasteful number, since it uses less digits than its factorization.

36131863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16961.

The product of its digits is 7776, while the sum is 31.

The square root of 36131863 is about 6010.9785393062. The cubic root of 36131863 is about 330.5953836915.

It can be divided in two parts, 3613 and 1863, that added together give a square (5476 = 74²).

The spelling of 36131863 in words is "thirty-six million, one hundred thirty-one thousand, eight hundred sixty-three".