36158869 has 2 divisors, whose sum is σ = 36158870. Its totient is φ = 36158868.

The previous prime is 36158861. The next prime is 36158887. The reversal of 36158869 is 96885163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32058244 + 4100625 = 5662^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 36158869 - 2³ = 36158861 is a prime.

It is a super-2 number, since 2×36158869² = 2614927614718322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36158861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18079434 + 18079435.

It is an arithmetic number, because the mean of its divisors is an integer number (18079435).

Almost surely, 2^36158869 is an apocalyptic number.

It is an amenable number.

36158869 is a deficient number, since it is larger than the sum of its proper divisors (1).

36158869 is an equidigital number, since it uses as much as digits as its factorization.

36158869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 36158869 is about 6013.2245093627. The cubic root of 36158869 is about 330.6777286981.

The spelling of 36158869 in words is "thirty-six million, one hundred fifty-eight thousand, eight hundred sixty-nine".