36147919 has 2 divisors, whose sum is σ = 36147920. Its totient is φ = 36147918.

The previous prime is 36147901. The next prime is 36147931. The reversal of 36147919 is 91974163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36147919 - 2⁷ = 36147791 is a prime.

It is a super-2 number, since 2×36147919² = 2613344096061122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36147989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18073959 + 18073960.

It is an arithmetic number, because the mean of its divisors is an integer number (18073960).

Almost surely, 2^36147919 is an apocalyptic number.

36147919 is a deficient number, since it is larger than the sum of its proper divisors (1).

36147919 is an equidigital number, since it uses as much as digits as its factorization.

36147919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 36147919 is about 6012.3139472253. The cubic root of 36147919 is about 330.6443455863.

The spelling of 36147919 in words is "thirty-six million, one hundred forty-seven thousand, nine hundred nineteen".