136426847 has 4 divisors (see below), whose sum is σ = 136934280. Its totient is φ = 135919416.

The previous prime is 136426837. The next prime is 136426883. The reversal of 136426847 is 748624631.

136426847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136426847 - 2¹² = 136422751 is a prime.

It is a super-2 number, since 2×136426847² = 37224569164722818, which 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 (136426837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253313 + ... + 253850.

It is an arithmetic number, because the mean of its divisors is an integer number (34233570).

Almost surely, 2^136426847 is an apocalyptic number.

136426847 is a deficient number, since it is larger than the sum of its proper divisors (507433).

136426847 is an equidigital number, since it uses as much as digits as its factorization.

136426847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507432.

The product of its digits is 193536, while the sum is 41.

The square root of 136426847 is about 11680.1903665993. The cubic root of 136426847 is about 514.7937679296.

The spelling of 136426847 in words is "one hundred thirty-six million, four hundred twenty-six thousand, eight hundred forty-seven".