2135667 has 4 divisors (see below), whose sum is σ = 2847560. Its totient is φ = 1423776.

The previous prime is 2135663. The next prime is 2135669. The reversal of 2135667 is 7665312.

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

It is not a de Polignac number, because 2135667 - 2² = 2135663 is a prime.

It is a super-2 number, since 2×2135667² = 9122147069778, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355942 + ... + 355947.

It is an arithmetic number, because the mean of its divisors is an integer number (711890).

2^2135667 is an apocalyptic number.

2135667 is a deficient number, since it is larger than the sum of its proper divisors (711893).

2135667 is an equidigital number, since it uses as much as digits as its factorization.

2135667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711892.

The product of its digits is 7560, while the sum is 30.

The square root of 2135667 is about 1461.3921444978. The cubic root of 2135667 is about 128.7788410583.

The spelling of 2135667 in words is "two million, one hundred thirty-five thousand, six hundred sixty-seven".