21136119 has 4 divisors (see below), whose sum is σ = 28181496. Its totient is φ = 14090744.

The previous prime is 21136069. The next prime is 21136123. The reversal of 21136119 is 91163112.

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 21136119 - 2¹³ = 21127927 is a prime.

It is a super-2 number, since 2×21136119² = 893471052764322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21136319) 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, 3522684 + ... + 3522689.

It is an arithmetic number, because the mean of its divisors is an integer number (7045374).

Almost surely, 2^21136119 is an apocalyptic number.

21136119 is a deficient number, since it is larger than the sum of its proper divisors (7045377).

21136119 is an equidigital number, since it uses as much as digits as its factorization.

21136119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045376.

The product of its digits is 324, while the sum is 24.

The square root of 21136119 is about 4597.4035063283. The cubic root of 21136119 is about 276.4872327271.

The spelling of 21136119 in words is "twenty-one million, one hundred thirty-six thousand, one hundred nineteen".