135105550 has 24 divisors (see below), whose sum is σ = 251602200. Its totient is φ = 53976480.

The previous prime is 135105547. The next prime is 135105559. The reversal of 135105550 is 55501531.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135105559) 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, 80116 + ... + 81784.

It is an arithmetic number, because the mean of its divisors is an integer number (10483425).

Almost surely, 2^135105550 is an apocalyptic number.

135105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135105550 is a deficient number, since it is larger than the sum of its proper divisors (116496650).

135105550 is a wasteful number, since it uses less digits than its factorization.

135105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 135105550 is about 11623.4912999494. The cubic root of 135105550 is about 513.1264439610.

The spelling of 135105550 in words is "one hundred thirty-five million, one hundred five thousand, five hundred fifty".