136459426 has 4 divisors (see below), whose sum is σ = 204689142. Its totient is φ = 68229712.

The previous prime is 136459409. The next prime is 136459451. The reversal of 136459426 is 624954631.

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

It can be written as a sum of positive squares in only one way, i.e., 133379401 + 3080025 = 11549^2 + 1755^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34114855 + ... + 34114858.

Almost surely, 2^136459426 is an apocalyptic number.

136459426 is a deficient number, since it is larger than the sum of its proper divisors (68229716).

136459426 is an equidigital number, since it uses as much as digits as its factorization.

136459426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68229715.

The product of its digits is 155520, while the sum is 40.

The square root of 136459426 is about 11681.5849095917. The cubic root of 136459426 is about 514.8347425903.

The spelling of 136459426 in words is "one hundred thirty-six million, four hundred fifty-nine thousand, four hundred twenty-six".