136388283186247 has 8 divisors (see below), whose sum is σ = 143577018288000. Its totient is φ = 129200588525304.

The previous prime is 136388283186097. The next prime is 136388283186269. The reversal of 136388283186247 is 742681382883631.

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

It is a de Polignac number, because none of the positive numbers 2^k-136388283186247 is a prime.

It is a super-2 number, since 2×136388283186247² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136388283186647) 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, 259841113 + ... + 260365474.

It is an arithmetic number, because the mean of its divisors is an integer number (17947127286000).

Almost surely, 2^{136388283186247} is an apocalyptic number.

136388283186247 is a deficient number, since it is larger than the sum of its proper divisors (7188735101753).

136388283186247 is a wasteful number, since it uses less digits than its factorization.

136388283186247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520220405.

The product of its digits is 445906944, while the sum is 70.

The spelling of 136388283186247 in words is "one hundred thirty-six trillion, three hundred eighty-eight billion, two hundred eighty-three million, one hundred eighty-six thousand, two hundred forty-seven".