136307865 has 8 divisors (see below), whose sum is σ = 218092608. Its totient is φ = 72697520.

The previous prime is 136307833. The next prime is 136307923. The reversal of 136307865 is 568703631.

136307865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136307865 - 2⁵ = 136307833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543581 + ... + 4543610.

It is an arithmetic number, because the mean of its divisors is an integer number (27261576).

Almost surely, 2^136307865 is an apocalyptic number.

136307865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136307865 is a deficient number, since it is larger than the sum of its proper divisors (81784743).

136307865 is an equidigital number, since it uses as much as digits as its factorization.

136307865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087199.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 136307865 is about 11675.0959310834. The cubic root of 136307865 is about 514.6440686379.

The spelling of 136307865 in words is "one hundred thirty-six million, three hundred seven thousand, eight hundred sixty-five".