2135594 has 4 divisors (see below), whose sum is σ = 3203394. Its totient is φ = 1067796.

The previous prime is 2135563. The next prime is 2135597. The reversal of 2135594 is 4955312.

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

It can be written as a sum of positive squares in only one way, i.e., 1471369 + 664225 = 1213^2 + 815^2 .

It is not an unprimeable number, because it can be changed into a prime (2135597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533897 + ... + 533900.

2^2135594 is an apocalyptic number.

2135594 is a deficient number, since it is larger than the sum of its proper divisors (1067800).

2135594 is a wasteful number, since it uses less digits than its factorization.

2135594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067799.

The product of its digits is 5400, while the sum is 29.

The square root of 2135594 is about 1461.3671680998. The cubic root of 2135594 is about 128.7773737630. Note that the first 3 decimals are identical.

The spelling of 2135594 in words is "two million, one hundred thirty-five thousand, five hundred ninety-four".