136406426 has 24 divisors (see below), whose sum is σ = 225926652. Its totient is φ = 61401600.

The previous prime is 136406423. The next prime is 136406429. The reversal of 136406426 is 624604631.

It is an interprime number because it is at equal distance from previous prime (136406423) and next prime (136406429).

It can be written as a sum of positive squares in 6 ways, for example, as 16394401 + 120012025 = 4049^2 + 10955^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136406392 and 136406401.

It is not an unprimeable number, because it can be changed into a prime (136406423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42146 + ... + 45266.

Almost surely, 2^136406426 is an apocalyptic number.

136406426 is a deficient number, since it is larger than the sum of its proper divisors (89520226).

136406426 is a wasteful number, since it uses less digits than its factorization.

136406426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 136406426 is about 11679.3161614882. The cubic root of 136406426 is about 514.7680810790.

The spelling of 136406426 in words is "one hundred thirty-six million, four hundred six thousand, four hundred twenty-six".