2136392 has 8 divisors (see below), whose sum is σ = 4005750. Its totient is φ = 1068192.

The previous prime is 2136391. The next prime is 2136419. The reversal of 2136392 is 2936312.

It can be written as a sum of positive squares in only one way, i.e., 1473796 + 662596 = 1214^2 + 814^2 .

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

It is a d-powerful number, because it can be written as 2⁵ + 1 + 3⁷ + 6³ + 3¹³ + 9⁶ + 2¹³ .

It is not an unprimeable number, because it can be changed into a prime (2136391) 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, 133517 + ... + 133532.

2^2136392 is an apocalyptic number.

It is an amenable number.

2136392 is a deficient number, since it is larger than the sum of its proper divisors (1869358).

2136392 is a wasteful number, since it uses less digits than its factorization.

2136392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267055 (or 267051 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2136392 is about 1461.6401745984. The cubic root of 2136392 is about 128.7934116970.

The spelling of 2136392 in words is "two million, one hundred thirty-six thousand, three hundred ninety-two".