2136540106 has 4 divisors (see below), whose sum is σ = 3204810162. Its totient is φ = 1068270052.

The previous prime is 2136540103. The next prime is 2136540137. The reversal of 2136540106 is 6010456312.

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

It can be written as a sum of positive squares in only one way, i.e., 1784640025 + 351900081 = 42245^2 + 18759^2 .

It is not an unprimeable number, because it can be changed into a prime (2136540103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534135025 + ... + 534135028.

Almost surely, 2^2136540106 is an apocalyptic number.

2136540106 is a deficient number, since it is larger than the sum of its proper divisors (1068270056).

2136540106 is a wasteful number, since it uses less digits than its factorization.

2136540106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068270055.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2136540106 is about 46222.7228319579. The cubic root of 2136540106 is about 1287.9638784187.

Adding to 2136540106 its reverse (6010456312), we get a palindrome (8146996418).

The spelling of 2136540106 in words is "two billion, one hundred thirty-six million, five hundred forty thousand, one hundred six".