36158387 has 4 divisors (see below), whose sum is σ = 38061480. Its totient is φ = 34255296.

The previous prime is 36158377. The next prime is 36158393. The reversal of 36158387 is 78385163.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36158387 - 2¹⁴ = 36142003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36158347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951518 + ... + 951555.

It is an arithmetic number, because the mean of its divisors is an integer number (9515370).

Almost surely, 2^36158387 is an apocalyptic number.

36158387 is a deficient number, since it is larger than the sum of its proper divisors (1903093).

36158387 is a wasteful number, since it uses less digits than its factorization.

36158387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903092.

The product of its digits is 120960, while the sum is 41.

The square root of 36158387 is about 6013.1844308985. The cubic root of 36158387 is about 330.6762593733.

The spelling of 36158387 in words is "thirty-six million, one hundred fifty-eight thousand, three hundred eighty-seven".