135758208 has 64 divisors (see below), whose sum is σ = 361998000. Its totient is φ = 45078528.

The previous prime is 135758171. The next prime is 135758239. The reversal of 135758208 is 802857531.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133510 + ... + 134522.

Almost surely, 2^135758208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135758208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180999000).

135758208 is an abundant number, since it is smaller than the sum of its proper divisors (226239792).

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

135758208 is a wasteful number, since it uses less digits than its factorization.

135758208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 135758208 is about 11651.5324314015. The cubic root of 135758208 is about 513.9513749315.

The spelling of 135758208 in words is "one hundred thirty-five million, seven hundred fifty-eight thousand, two hundred eight".