135619055 has 64 divisors (see below), whose sum is σ = 205632000. Its totient is φ = 84395520.

The previous prime is 135619049. The next prime is 135619061. The reversal of 135619055 is 550916531.

It is a happy number.

135619055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135619049) and next prime (135619061).

It is not a de Polignac number, because 135619055 - 2⁴ = 135619039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 910121 + ... + 910269.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2^135619055 is an apocalyptic number.

135619055 is a deficient number, since it is larger than the sum of its proper divisors (70012945).

135619055 is a wasteful number, since it uses less digits than its factorization.

135619055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 135619055 is about 11645.5594541439. The cubic root of 135619055 is about 513.7757137908.

The spelling of 135619055 in words is "one hundred thirty-five million, six hundred nineteen thousand, fifty-five".