135778097 has 16 divisors (see below), whose sum is σ = 168346752. Its totient is φ = 106634880.

The previous prime is 135778091. The next prime is 135778127. The reversal of 135778097 is 790877531.

135778097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 135778097 - 2⁴ = 135778081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135778091) 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, 7022 + ... + 17912.

It is an arithmetic number, because the mean of its divisors is an integer number (10521672).

Almost surely, 2^135778097 is an apocalyptic number.

It is an amenable number.

135778097 is a deficient number, since it is larger than the sum of its proper divisors (32568655).

135778097 is a wasteful number, since it uses less digits than its factorization.

135778097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 135778097 is about 11652.3858930264. The cubic root of 135778097 is about 513.9764721979.

The spelling of 135778097 in words is "one hundred thirty-five million, seven hundred seventy-eight thousand, ninety-seven".