2135718 has 24 divisors (see below), whose sum is σ = 4983888. Its totient is φ = 657072.

The previous prime is 2135717. The next prime is 2135719. The reversal of 2135718 is 8175312.

It is an interprime number because it is at equal distance from previous prime (2135717) and next prime (2135719).

It is a super-2 number, since 2×2135718² = 9122582751048, which contains 22 as substring.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2135691 and 2135700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135713) 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, 4330 + ... + 4797.

It is an arithmetic number, because the mean of its divisors is an integer number (207662).

2^2135718 is an apocalyptic number.

2135718 is an abundant number, since it is smaller than the sum of its proper divisors (2848170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135718 is a wasteful number, since it uses less digits than its factorization.

2135718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148 (or 9145 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2135718 is about 1461.4095935090. The cubic root of 2135718 is about 128.7798661352.

The spelling of 2135718 in words is "two million, one hundred thirty-five thousand, seven hundred eighteen".