2135073 has 4 divisors (see below), whose sum is σ = 2846768. Its totient is φ = 1423380.

The previous prime is 2135057. The next prime is 2135083. The reversal of 2135073 is 3705312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2135073 - 2⁴ = 2135057 is a prime.

It is a D-number.

It is a Duffinian number.

2135073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2135083) 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, 355843 + ... + 355848.

It is an arithmetic number, because the mean of its divisors is an integer number (711692).

2^2135073 is an apocalyptic number.

It is an amenable number.

2135073 is a deficient number, since it is larger than the sum of its proper divisors (711695).

2135073 is an equidigital number, since it uses as much as digits as its factorization.

2135073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711694.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2135073 is about 1461.1888994925. The cubic root of 2135073 is about 128.7669007254.

The spelling of 2135073 in words is "two million, one hundred thirty-five thousand, seventy-three".