136660377647267 has 8 divisors (see below), whose sum is σ = 141373432995840. Its totient is φ = 131947364200960.

The previous prime is 136660377647237. The next prime is 136660377647291. The reversal of 136660377647267 is 762746773066631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136660377647267 - 2⁶ = 136660377647203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136660377647267.

It is not an unprimeable number, because it can be changed into a prime (136660377647237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767459 + ... + 16956252.

It is an arithmetic number, because the mean of its divisors is an integer number (17671679124480).

Almost surely, 2^{136660377647267} is an apocalyptic number.

136660377647267 is a deficient number, since it is larger than the sum of its proper divisors (4713055348573).

136660377647267 is a wasteful number, since it uses less digits than its factorization.

136660377647267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20951133.

The product of its (nonzero) digits is 1344252672, while the sum is 71.

The spelling of 136660377647267 in words is "one hundred thirty-six trillion, six hundred sixty billion, three hundred seventy-seven million, six hundred forty-seven thousand, two hundred sixty-seven".