136740267 has 24 divisors (see below), whose sum is σ = 207031968. Its totient is φ = 86803200.

The previous prime is 136740257. The next prime is 136740269. The reversal of 136740267 is 762047631.

It is not a de Polignac number, because 136740267 - 2⁶ = 136740203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136740269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48517 + ... + 51257.

It is an arithmetic number, because the mean of its divisors is an integer number (8626332).

Almost surely, 2^136740267 is an apocalyptic number.

136740267 is a deficient number, since it is larger than the sum of its proper divisors (70291701).

136740267 is a wasteful number, since it uses less digits than its factorization.

136740267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 136740267 is about 11693.5994030923. The cubic root of 136740267 is about 515.1876866419.

Adding to 136740267 its reverse (762047631), we get a palindrome (898787898).

The spelling of 136740267 in words is "one hundred thirty-six million, seven hundred forty thousand, two hundred sixty-seven".