135769550 has 24 divisors (see below), whose sum is σ = 288608016. Its totient is φ = 46549440.

The previous prime is 135769547. The next prime is 135769559. The reversal of 135769550 is 55967531.

It is a junction number, because it is equal to n+sod(n) for n = 135769498 and 135769507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135769559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193607 + ... + 194306.

It is an arithmetic number, because the mean of its divisors is an integer number (12025334).

Almost surely, 2^135769550 is an apocalyptic number.

135769550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135769550 is an abundant number, since it is smaller than the sum of its proper divisors (152838466).

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

135769550 is a wasteful number, since it uses less digits than its factorization.

135769550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387932 (or 387927 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 41.

The square root of 135769550 is about 11652.0191383296. The cubic root of 135769550 is about 513.9656873237.

It can be divided in two parts, 1357 and 69550, that added together give a palindrome (70907).

The spelling of 135769550 in words is "one hundred thirty-five million, seven hundred sixty-nine thousand, five hundred fifty".