2135407 has 2 divisors, whose sum is σ = 2135408.
Its totient is φ = 2135406.
The previous prime is 2135401. The next prime is 2135411. The reversal of 2135407 is 7045312.
2135407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2135407 - 27 = 2135279 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2135401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067703 + 1067704.
It is an arithmetic number, because the mean of its divisors is an integer number (1067704).
22135407 is an apocalyptic number.
2135407 is a deficient number, since it is larger than the sum of its proper divisors (1).
2135407 is an equidigital number, since it uses as much as digits as its factorization.
2135407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 2135407 is about 1461.3031855163.
The cubic root of 2135407 is about 128.7736149225.
The spelling of 2135407 in words is "two million, one hundred thirty-five thousand, four hundred seven".