135994896 has 80 divisors (see below), whose sum is σ = 399488320. Its totient is φ = 44271360.

The previous prime is 135994889. The next prime is 135994897. The reversal of 135994896 is 698499531.

135994896 is a `hidden beast` number, since 1 + 3 + 599 + 48 + 9 + 6 = 666.

It is a super-2 number, since 2×135994896² = 36989223476101632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135994897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14916 + ... + 22236.

It is an arithmetic number, because the mean of its divisors is an integer number (4993604).

Almost surely, 2^135994896 is an apocalyptic number.

135994896 is a gapful number since it is divisible by the number (16) 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 135994896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199744160).

135994896 is an abundant number, since it is smaller than the sum of its proper divisors (263493424).

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

135994896 is a wasteful number, since it uses less digits than its factorization.

135994896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381 (or 7369 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 135994896 is about 11661.6849554428. The cubic root of 135994896 is about 514.2498848055.

The spelling of 135994896 in words is "one hundred thirty-five million, nine hundred ninety-four thousand, eight hundred ninety-six".