135736668 has 24 divisors (see below), whose sum is σ = 351910160. Its totient is φ = 45245520.

The previous prime is 135736663. The next prime is 135736709. The reversal of 135736668 is 866637531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135736661) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 628303 + ... + 628518.

Almost surely, 2^135736668 is an apocalyptic number.

135736668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135736668 is an abundant number, since it is smaller than the sum of its proper divisors (216173492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135736668 is a wasteful number, since it uses less digits than its factorization.

135736668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256834 (or 1256826 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 135736668 is about 11650.6080528014. The cubic root of 135736668 is about 513.9241915581.

It can be divided in two parts, 1357 and 36668, that added together give a square (38025 = 195²).

The spelling of 135736668 in words is "one hundred thirty-five million, seven hundred thirty-six thousand, six hundred sixty-eight".