2136401 has 8 divisors (see below), whose sum is σ = 2306880. Its totient is φ = 1972432.

The previous prime is 2136391. The next prime is 2136419. The reversal of 2136401 is 1046312.

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 2136401 - 2¹⁴ = 2120017 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136401.

It is not an unprimeable number, because it can be changed into a prime (2136451) 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, 935 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (288360).

2^2136401 is an apocalyptic number.

It is an amenable number.

2136401 is a deficient number, since it is larger than the sum of its proper divisors (170479).

2136401 is a wasteful number, since it uses less digits than its factorization.

2136401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2136401 is about 1461.6432533283. The cubic root of 2136401 is about 128.7935925532.

The spelling of 2136401 in words is "two million, one hundred thirty-six thousand, four hundred one".