136726406 has 8 divisors (see below), whose sum is σ = 207685920. Its totient is φ = 67497768.

The previous prime is 136726397. The next prime is 136726417. The reversal of 136726406 is 604627631.

136726406 is digitally balanced in base 3, 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 a super-2 number, since 2×136726406² = 37388220195353672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432521 + ... + 432836.

It is an arithmetic number, because the mean of its divisors is an integer number (25960740).

Almost surely, 2^136726406 is an apocalyptic number.

136726406 is a deficient number, since it is larger than the sum of its proper divisors (70959514).

136726406 is an equidigital number, since it uses as much as digits as its factorization.

136726406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865438.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 136726406 is about 11693.0067134164. The cubic root of 136726406 is about 515.1702783149.

The spelling of 136726406 in words is "one hundred thirty-six million, seven hundred twenty-six thousand, four hundred six".