2135368 has 8 divisors (see below), whose sum is σ = 4003830. Its totient is φ = 1067680.

The previous prime is 2135347. The next prime is 2135369. The reversal of 2135368 is 8635312.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 9604 = 1458^2 + 98^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133453 + ... + 133468.

2^2135368 is an apocalyptic number.

It is an amenable number.

2135368 is a deficient number, since it is larger than the sum of its proper divisors (1868462).

2135368 is a wasteful number, since it uses less digits than its factorization.

2135368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266927 (or 266923 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2135368 is about 1461.2898412019. The cubic root of 2135368 is about 128.7728309655.

The spelling of 2135368 in words is "two million, one hundred thirty-five thousand, three hundred sixty-eight".