2136667 has 12 divisors (see below), whose sum is σ = 2371680. Its totient is φ = 1923168.

The previous prime is 2136661. The next prime is 2136707. The reversal of 2136667 is 7666312.

It is a de Polignac number, because none of the positive numbers 2^k-2136667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7809 + ... + 8077.

It is an arithmetic number, because the mean of its divisors is an integer number (197640).

2^2136667 is an apocalyptic number.

2136667 is a deficient number, since it is larger than the sum of its proper divisors (235013).

2136667 is a wasteful number, since it uses less digits than its factorization.

2136667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 329 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 2136667 is about 1461.7342439719. The cubic root of 2136667 is about 128.7989376287.

The spelling of 2136667 in words is "two million, one hundred thirty-six thousand, six hundred sixty-seven".