136212462005 has 16 divisors (see below), whose sum is σ = 173079217584. Its totient is φ = 102554480640.

The previous prime is 136212461969. The next prime is 136212462047. The reversal of 136212462005 is 500264212631.

It can be written as a sum of positive squares in 8 ways, for example, as 29533797316 + 106678664689 = 171854^2 + 326617^2 .

It is not a de Polignac number, because 136212462005 - 2²⁴ = 136195684789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2306729 + ... + 2365041.

It is an arithmetic number, because the mean of its divisors is an integer number (10817451099).

Almost surely, 2^136212462005 is an apocalyptic number.

It is an amenable number.

136212462005 is a deficient number, since it is larger than the sum of its proper divisors (36866755579).

136212462005 is a wasteful number, since it uses less digits than its factorization.

136212462005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85816.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 136212462005 its reverse (500264212631), we get a palindrome (636476674636).

The spelling of 136212462005 in words is "one hundred thirty-six billion, two hundred twelve million, four hundred sixty-two thousand, five".