36409157 has 4 divisors (see below), whose sum is σ = 36540876. Its totient is φ = 36277440.

The previous prime is 36409151. The next prime is 36409169. The reversal of 36409157 is 75190463.

36409157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6034²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75190463 = 131 ⋅573973.

It can be written as a sum of positive squares in 2 ways, for example, as 6280036 + 30129121 = 2506^2 + 5489^2 .

It is a cyclic number.

It is not a de Polignac number, because 36409157 - 2⁴ = 36409141 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 (36409151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65444 + ... + 65997.

It is an arithmetic number, because the mean of its divisors is an integer number (9135219).

Almost surely, 2^36409157 is an apocalyptic number.

It is an amenable number.

36409157 is a deficient number, since it is larger than the sum of its proper divisors (131719).

36409157 is a wasteful number, since it uses less digits than its factorization.

36409157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131718.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 36409157 is about 6034.0000828638. Note that the first 4 decimals coincide. The cubic root of 36409157 is about 331.4389475246.

The spelling of 36409157 in words is "thirty-six million, four hundred nine thousand, one hundred fifty-seven".