135806352 has 160 divisors (see below), whose sum is σ = 408830976. Its totient is φ = 38438400.

The previous prime is 135806351. The next prime is 135806383. The reversal of 135806352 is 253608531.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (135806351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643527 + ... + 643737.

Almost surely, 2^135806352 is an apocalyptic number.

135806352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135806352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204415488).

135806352 is an abundant number, since it is smaller than the sum of its proper divisors (273024624).

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

135806352 is a wasteful number, since it uses less digits than its factorization.

135806352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 135806352 is about 11653.5982426030. The cubic root of 135806352 is about 514.0121220273.

The spelling of 135806352 in words is "one hundred thirty-five million, eight hundred six thousand, three hundred fifty-two".