2136505 has 8 divisors (see below), whose sum is σ = 2930112. Its totient is φ = 1465008.

The previous prime is 2136487. The next prime is 2136527. The reversal of 2136505 is 5056312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2136505 - 2⁵ = 2136473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30487 + ... + 30556.

It is an arithmetic number, because the mean of its divisors is an integer number (366264).

2^2136505 is an apocalyptic number.

It is an amenable number.

2136505 is a deficient number, since it is larger than the sum of its proper divisors (793607).

2136505 is an equidigital number, since it uses as much as digits as its factorization.

2136505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61055.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2136505 is about 1461.6788292919. The cubic root of 2136505 is about 128.7956824100.

The spelling of 2136505 in words is "two million, one hundred thirty-six thousand, five hundred five".