36399149 has 4 divisors (see below), whose sum is σ = 36439260. Its totient is φ = 36359040.

The previous prime is 36399137. The next prime is 36399161. The reversal of 36399149 is 94199363.

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

It is an interprime number because it is at equal distance from previous prime (36399137) and next prime (36399161).

It can be written as a sum of positive squares in 2 ways, for example, as 14478025 + 21921124 = 3805^2 + 4682^2 .

It is a cyclic number.

It is not a de Polignac number, because 36399149 - 2⁸ = 36398893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36399449) 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, 18662 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (9109815).

Almost surely, 2^36399149 is an apocalyptic number.

It is an amenable number.

36399149 is a deficient number, since it is larger than the sum of its proper divisors (40111).

36399149 is an equidigital number, since it uses as much as digits as its factorization.

36399149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40110.

The product of its digits is 157464, while the sum is 44.

The square root of 36399149 is about 6033.1707252489. The cubic root of 36399149 is about 331.4085765480.

The spelling of 36399149 in words is "thirty-six million, three hundred ninety-nine thousand, one hundred forty-nine".