2135399 has 8 divisors (see below), whose sum is σ = 2464128. Its totient is φ = 1812600.

The previous prime is 2135383. The next prime is 2135401. The reversal of 2135399 is 9935312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2135399 - 2⁴ = 2135383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (308016).

2^2135399 is an apocalyptic number.

2135399 is a deficient number, since it is larger than the sum of its proper divisors (328729).

2135399 is a wasteful number, since it uses less digits than its factorization.

2135399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965.

The product of its digits is 7290, while the sum is 32.

The square root of 2135399 is about 1461.3004482310. The cubic root of 2135399 is about 128.7734541115.

The spelling of 2135399 in words is "two million, one hundred thirty-five thousand, three hundred ninety-nine".