136704407 has 8 divisors (see below), whose sum is σ = 157028256. Its totient is φ = 116579232.

The previous prime is 136704401. The next prime is 136704431. The reversal of 136704407 is 704407631.

It is a happy number.

136704407 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 136704407 - 2⁴ = 136704391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136704401) 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, 48188 + ... + 50945.

It is an arithmetic number, because the mean of its divisors is an integer number (19628532).

Almost surely, 2^136704407 is an apocalyptic number.

136704407 is a deficient number, since it is larger than the sum of its proper divisors (20323849).

136704407 is an equidigital number, since it uses as much as digits as its factorization.

136704407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99337.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 136704407 is about 11692.0659851029. The cubic root of 136704407 is about 515.1426468838.

The spelling of 136704407 in words is "one hundred thirty-six million, seven hundred four thousand, four hundred seven".