2134855 has 4 divisors (see below), whose sum is σ = 2561832. Its totient is φ = 1707880.

The previous prime is 2134849. The next prime is 2134861. The reversal of 2134855 is 5584312.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2134849) and next prime (2134861).

It is a de Polignac number, because none of the positive numbers 2^k-2134855 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213481 + ... + 213490.

It is an arithmetic number, because the mean of its divisors is an integer number (640458).

2^2134855 is an apocalyptic number.

2134855 is a deficient number, since it is larger than the sum of its proper divisors (426977).

2134855 is an equidigital number, since it uses as much as digits as its factorization.

2134855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426976.

The product of its digits is 4800, while the sum is 28.

The square root of 2134855 is about 1461.1143007992. The cubic root of 2134855 is about 128.7625180275.

The spelling of 2134855 in words is "two million, one hundred thirty-four thousand, eight hundred fifty-five".