2135974 has 4 divisors (see below), whose sum is σ = 3203964. Its totient is φ = 1067986.

The previous prime is 2135971. The next prime is 2136011. The reversal of 2135974 is 4795312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533992 + ... + 533995.

It is an arithmetic number, because the mean of its divisors is an integer number (800991).

2^2135974 is an apocalyptic number.

2135974 is a deficient number, since it is larger than the sum of its proper divisors (1067990).

2135974 is a wasteful number, since it uses less digits than its factorization.

2135974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067989.

The product of its digits is 7560, while the sum is 31.

The square root of 2135974 is about 1461.4971775546. The cubic root of 2135974 is about 128.7850113726.

The spelling of 2135974 in words is "two million, one hundred thirty-five thousand, nine hundred seventy-four".