135797644 has 12 divisors (see below), whose sum is σ = 237780144. Its totient is φ = 67860464.

The previous prime is 135797611. The next prime is 135797647. The reversal of 135797644 is 446797531.

It is a junction number, because it is equal to n+sod(n) for n = 135797594 and 135797603.

It is not an unprimeable number, because it can be changed into a prime (135797647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712 + ... + 16495.

It is an arithmetic number, because the mean of its divisors is an integer number (19815012).

Almost surely, 2^135797644 is an apocalyptic number.

It is an amenable number.

135797644 is a deficient number, since it is larger than the sum of its proper divisors (101982500).

135797644 is a wasteful number, since it uses less digits than its factorization.

135797644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184 (or 19182 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 135797644 is about 11653.2246181046. The cubic root of 135797644 is about 514.0011355181.

The spelling of 135797644 in words is "one hundred thirty-five million, seven hundred ninety-seven thousand, six hundred forty-four".