136385647285215 has 8 divisors (see below), whose sum is σ = 218217035656368. Its totient is φ = 72739011885440.

The previous prime is 136385647285211. The next prime is 136385647285247. The reversal of 136385647285215 is 512582746583631.

It is a happy number.

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

It is not a de Polignac number, because 136385647285215 - 2² = 136385647285211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136385647285211) 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, 4546188242826 + ... + 4546188242855.

It is an arithmetic number, because the mean of its divisors is an integer number (27277129457046).

Almost surely, 2^{136385647285215} is an apocalyptic number.

136385647285215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136385647285215 is a deficient number, since it is larger than the sum of its proper divisors (81831388371153).

136385647285215 is an equidigital number, since it uses as much as digits as its factorization.

136385647285215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9092376485689.

The product of its digits is 290304000, while the sum is 66.

The spelling of 136385647285215 in words is "one hundred thirty-six trillion, three hundred eighty-five billion, six hundred forty-seven million, two hundred eighty-five thousand, two hundred fifteen".