2135707 has 4 divisors (see below), whose sum is σ = 2440816. Its totient is φ = 1830600.

The previous prime is 2135701. The next prime is 2135713. The reversal of 2135707 is 7075312.

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

It is an interprime number because it is at equal distance from previous prime (2135701) and next prime (2135713).

It is a cyclic number.

It is not a de Polignac number, because 2135707 - 2³ = 2135699 is a prime.

It is a super-3 number, since 3×2135707³ = 29224444716333714729, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2135701) 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, 152544 + ... + 152557.

It is an arithmetic number, because the mean of its divisors is an integer number (610204).

2^2135707 is an apocalyptic number.

2135707 is a deficient number, since it is larger than the sum of its proper divisors (305109).

2135707 is an equidigital number, since it uses as much as digits as its factorization.

2135707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305108.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2135707 is about 1461.4058300144. The cubic root of 2135707 is about 128.7796450415.

The spelling of 2135707 in words is "two million, one hundred thirty-five thousand, seven hundred seven".