135199368 has 96 divisors (see below), whose sum is σ = 402161760. Its totient is φ = 42405120.

The previous prime is 135199357. The next prime is 135199373. The reversal of 135199368 is 863991531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31003 + ... + 35093.

It is an arithmetic number, because the mean of its divisors is an integer number (4189185).

Almost surely, 2^135199368 is an apocalyptic number.

135199368 is a gapful number since it is divisible by the number (18) 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 135199368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201080880).

135199368 is an abundant number, since it is smaller than the sum of its proper divisors (266962392).

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

135199368 is a wasteful number, since it uses less digits than its factorization.

135199368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129 (or 4113 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 135199368 is about 11627.5263061410. The cubic root of 135199368 is about 513.2451890410.

The spelling of 135199368 in words is "one hundred thirty-five million, one hundred ninety-nine thousand, three hundred sixty-eight".