136126407 has 4 divisors (see below), whose sum is σ = 181501880. Its totient is φ = 90750936.

The previous prime is 136126399. The next prime is 136126411. The reversal of 136126407 is 704621631.

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

It is not a de Polignac number, because 136126407 - 2³ = 136126399 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 (136126477) 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, 22687732 + ... + 22687737.

It is an arithmetic number, because the mean of its divisors is an integer number (45375470).

Almost surely, 2^136126407 is an apocalyptic number.

136126407 is a deficient number, since it is larger than the sum of its proper divisors (45375473).

136126407 is an equidigital number, since it uses as much as digits as its factorization.

136126407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45375472.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 136126407 is about 11667.3221863459. The cubic root of 136126407 is about 514.4155962412.

The spelling of 136126407 in words is "one hundred thirty-six million, one hundred twenty-six thousand, four hundred seven".