36131385 has 8 divisors (see below), whose sum is σ = 57810240. Its totient is φ = 19270064.

The previous prime is 36131377. The next prime is 36131441. The reversal of 36131385 is 58313163.

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 36131385 - 2³ = 36131377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204365 + ... + 1204394.

It is an arithmetic number, because the mean of its divisors is an integer number (7226280).

Almost surely, 2^36131385 is an apocalyptic number.

It is an amenable number.

36131385 is a deficient number, since it is larger than the sum of its proper divisors (21678855).

36131385 is a wasteful number, since it uses less digits than its factorization.

36131385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408767.

The product of its digits is 6480, while the sum is 30.

The square root of 36131385 is about 6010.9387785936. The cubic root of 36131385 is about 330.5939258343.

It can be divided in two parts, 3613 and 1385, that multiplied together give a palindrome (5004005).

The spelling of 36131385 in words is "thirty-six million, one hundred thirty-one thousand, three hundred eighty-five".