136868701 has 6 divisors (see below), whose sum is σ = 140290106. Its totient is φ = 133528800.

The previous prime is 136868681. The next prime is 136868707. The reversal of 136868701 is 107868631.

It can be written as a sum of positive squares in 3 ways, for example, as 4020025 + 132848676 = 2005^2 + 11526^2 .

It is not a de Polignac number, because 136868701 - 2⁹ = 136868189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136868707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39030 + ... + 42391.

Almost surely, 2^136868701 is an apocalyptic number.

It is an amenable number.

136868701 is a deficient number, since it is larger than the sum of its proper divisors (3421405).

136868701 is an frugal number, since it uses more digits than its factorization.

136868701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81503 (or 81462 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 136868701 is about 11699.0897509165. The cubic root of 136868701 is about 515.3489337310.

The spelling of 136868701 in words is "one hundred thirty-six million, eight hundred sixty-eight thousand, seven hundred one".