2136400627 has 4 divisors (see below), whose sum is σ = 2156367096. Its totient is φ = 2116434160.

The previous prime is 2136400601. The next prime is 2136400633. The reversal of 2136400627 is 7260046312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136400627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136400657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9983074 + ... + 9983287.

It is an arithmetic number, because the mean of its divisors is an integer number (539091774).

Almost surely, 2^2136400627 is an apocalyptic number.

2136400627 is a deficient number, since it is larger than the sum of its proper divisors (19966469).

2136400627 is a wasteful number, since it uses less digits than its factorization.

2136400627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19966468.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2136400627 is about 46221.2140364141. The cubic root of 2136400627 is about 1287.9358505771.

Adding to 2136400627 its reverse (7260046312), we get a palindrome (9396446939).

The spelling of 2136400627 in words is "two billion, one hundred thirty-six million, four hundred thousand, six hundred twenty-seven".