2136138 has 8 divisors (see below), whose sum is σ = 4272288. Its totient is φ = 712044.

The previous prime is 2136137. The next prime is 2136139. The reversal of 2136138 is 8316312.

It is an interprime number because it is at equal distance from previous prime (2136137) and next prime (2136139).

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

2136138 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2136131) 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 in 3 ways as a sum of consecutive naturals, for example, 178006 + ... + 178017.

It is an arithmetic number, because the mean of its divisors is an integer number (534036).

2^2136138 is an apocalyptic number.

2136138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2136138 is a wasteful number, since it uses less digits than its factorization.

2136138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356028.

The product of its digits is 864, while the sum is 24.

The square root of 2136138 is about 1461.5532833257. The cubic root of 2136138 is about 128.7883073243.

The spelling of 2136138 in words is "two million, one hundred thirty-six thousand, one hundred thirty-eight".