135609850 has 24 divisors (see below), whose sum is σ = 267073308. Its totient is φ = 51052800.

The previous prime is 135609839. The next prime is 135609853. The reversal of 135609850 is 58906531.

It can be written as a sum of positive squares in 6 ways, for example, as 56595529 + 79014321 = 7523^2 + 8889^2 .

It is not an unprimeable number, because it can be changed into a prime (135609853) 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, 78921 + ... + 80620.

Almost surely, 2^135609850 is an apocalyptic number.

135609850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135609850 is a deficient number, since it is larger than the sum of its proper divisors (131463458).

135609850 is a wasteful number, since it uses less digits than its factorization.

135609850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159570 (or 159565 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 135609850 is about 11645.1642324185. The cubic root of 135609850 is about 513.7640895333.

The spelling of 135609850 in words is "one hundred thirty-five million, six hundred nine thousand, eight hundred fifty".