2140236601 has 4 divisors (see below), whose sum is σ = 2140397604. Its totient is φ = 2140075600.

The previous prime is 2140236563. The next prime is 2140236617. The reversal of 2140236601 is 1066320412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 2139155001 = 1040^2 + 46251^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140236601 - 2¹¹ = 2140234553 is a prime.

It is a super-2 number, since 2×2140236601² = 9161225416520066402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140236661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58570 + ... + 87811.

It is an arithmetic number, because the mean of its divisors is an integer number (535099401).

Almost surely, 2^2140236601 is an apocalyptic number.

It is an amenable number.

2140236601 is a deficient number, since it is larger than the sum of its proper divisors (161003).

2140236601 is a wasteful number, since it uses less digits than its factorization.

2140236601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161002.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2140236601 is about 46262.6912425120. The cubic root of 2140236601 is about 1288.7062326840.

The spelling of 2140236601 in words is "two billion, one hundred forty million, two hundred thirty-six thousand, six hundred one".