135756826 has 4 divisors (see below), whose sum is σ = 203635242. Its totient is φ = 67878412.

The previous prime is 135756809. The next prime is 135756853. The reversal of 135756826 is 628657531.

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., 135745801 + 11025 = 11651^2 + 105^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33939205 + ... + 33939208.

Almost surely, 2^135756826 is an apocalyptic number.

135756826 is a deficient number, since it is larger than the sum of its proper divisors (67878416).

135756826 is an equidigital number, since it uses as much as digits as its factorization.

135756826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67878415.

The product of its digits is 302400, while the sum is 43.

The square root of 135756826 is about 11651.4731257468. The cubic root of 135756826 is about 513.9496309407.

The spelling of 135756826 in words is "one hundred thirty-five million, seven hundred fifty-six thousand, eight hundred twenty-six".