136671607 has 4 divisors (see below), whose sum is σ = 136899616. Its totient is φ = 136443600.

The previous prime is 136671593. The next prime is 136671677. The reversal of 136671607 is 706176631.

136671607 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 a de Polignac number, because none of the positive numbers 2^k-136671607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136671677) 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, 113103 + ... + 114304.

It is an arithmetic number, because the mean of its divisors is an integer number (34224904).

Almost surely, 2^136671607 is an apocalyptic number.

136671607 is a deficient number, since it is larger than the sum of its proper divisors (228009).

136671607 is an equidigital number, since it uses as much as digits as its factorization.

136671607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228008.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 136671607 is about 11690.6632403812. The cubic root of 136671607 is about 515.1014435538.

The spelling of 136671607 in words is "one hundred thirty-six million, six hundred seventy-one thousand, six hundred seven".