135778895 has 8 divisors (see below), whose sum is σ = 186211104. Its totient is φ = 93105504.

The previous prime is 135778889. The next prime is 135778897. The reversal of 135778895 is 598877531.

It is a happy number.

135778895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135778895 - 2⁶ = 135778831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135778897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939664 + ... + 1939733.

It is an arithmetic number, because the mean of its divisors is an integer number (23276388).

Almost surely, 2^135778895 is an apocalyptic number.

135778895 is a deficient number, since it is larger than the sum of its proper divisors (50432209).

135778895 is an equidigital number, since it uses as much as digits as its factorization.

135778895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879409.

The product of its digits is 2116800, while the sum is 53.

The square root of 135778895 is about 11652.4201348904. The cubic root of 135778895 is about 513.9774791164.

The spelling of 135778895 in words is "one hundred thirty-five million, seven hundred seventy-eight thousand, eight hundred ninety-five".