135165413 has 4 divisors (see below), whose sum is σ = 137017068. Its totient is φ = 133313760.

The previous prime is 135165409. The next prime is 135165451. The reversal of 135165413 is 314561531.

135165413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314561531 = 37 ⋅8501663.

It can be written as a sum of positive squares in 2 ways, for example, as 81685444 + 53479969 = 9038^2 + 7313^2 .

It is a cyclic number.

It is not a de Polignac number, because 135165413 - 2² = 135165409 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 (135165473) 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, 925718 + ... + 925863.

It is an arithmetic number, because the mean of its divisors is an integer number (34254267).

Almost surely, 2^135165413 is an apocalyptic number.

It is an amenable number.

135165413 is a deficient number, since it is larger than the sum of its proper divisors (1851655).

135165413 is an equidigital number, since it uses as much as digits as its factorization.

135165413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851654.

The product of its digits is 5400, while the sum is 29.

The square root of 135165413 is about 11626.0661016528. The cubic root of 135165413 is about 513.2022186736.

The spelling of 135165413 in words is "one hundred thirty-five million, one hundred sixty-five thousand, four hundred thirteen".