136006281 has 6 divisors (see below), whose sum is σ = 196453530. Its totient is φ = 90670848.

The previous prime is 136006279. The next prime is 136006289. The reversal of 136006281 is 182600631.

136006281 is a `hidden beast` number, since 1 + 36 + 0 + 0 + 628 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128255625 + 7750656 = 11325^2 + 2784^2 .

It is not a de Polignac number, because 136006281 - 2¹ = 136006279 is a prime.

It is a super-2 number, since 2×136006281² = 36995416942901922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136006289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7555896 + ... + 7555913.

It is an arithmetic number, because the mean of its divisors is an integer number (32742255).

Almost surely, 2^136006281 is an apocalyptic number.

It is an amenable number.

136006281 is a deficient number, since it is larger than the sum of its proper divisors (60447249).

136006281 is a wasteful number, since it uses less digits than its factorization.

136006281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111815 (or 15111812 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 136006281 is about 11662.1730822347. The cubic root of 136006281 is about 514.2642347841.

It can be divided in two parts, 13600 and 6281, that added together give a square (19881 = 141²).

The spelling of 136006281 in words is "one hundred thirty-six million, six thousand, two hundred eighty-one".