136340347 has 16 divisors (see below), whose sum is σ = 160570368. Its totient is φ = 114130080.

The previous prime is 136340329. The next prime is 136340381. The reversal of 136340347 is 743043631.

It is a cyclic number.

It is not a de Polignac number, because 136340347 - 2¹⁵ = 136307579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136340317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73878 + ... + 75700.

It is an arithmetic number, because the mean of its divisors is an integer number (10035648).

Almost surely, 2^136340347 is an apocalyptic number.

136340347 is a deficient number, since it is larger than the sum of its proper divisors (24230021).

136340347 is a wasteful number, since it uses less digits than its factorization.

136340347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 136340347 is about 11676.4869288669. The cubic root of 136340347 is about 514.6849450783.

Adding to 136340347 its reverse (743043631), we get a palindrome (879383978).

The spelling of 136340347 in words is "one hundred thirty-six million, three hundred forty thousand, three hundred forty-seven".