135033550 has 24 divisors (see below), whose sum is σ = 265938336. Its totient is φ = 50835840.

The previous prime is 135033539. The next prime is 135033557. The reversal of 135033550 is 55330531.

It is a happy number.

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 (135033557) 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, 78582 + ... + 80281.

It is an arithmetic number, because the mean of its divisors is an integer number (11080764).

Almost surely, 2^135033550 is an apocalyptic number.

135033550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135033550 is a deficient number, since it is larger than the sum of its proper divisors (130904786).

135033550 is a wasteful number, since it uses less digits than its factorization.

135033550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158892 (or 158887 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 135033550 is about 11620.3937110582. The cubic root of 135033550 is about 513.0352765520.

The spelling of 135033550 in words is "one hundred thirty-five million, thirty-three thousand, five hundred fifty".