2136455 has 16 divisors (see below), whose sum is σ = 2766720. Its totient is φ = 1578528.

The previous prime is 2136451. The next prime is 2136457. The reversal of 2136455 is 5546312.

It is a cyclic number.

It is not a de Polignac number, because 2136455 - 2² = 2136451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3824 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (172920).

2^2136455 is an apocalyptic number.

2136455 is a deficient number, since it is larger than the sum of its proper divisors (630265).

2136455 is a wasteful number, since it uses less digits than its factorization.

2136455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 3600, while the sum is 26.

The square root of 2136455 is about 1461.6617255713. The cubic root of 2136455 is about 128.7946776796.

The spelling of 2136455 in words is "two million, one hundred thirty-six thousand, four hundred fifty-five".