135122554 has 8 divisors (see below), whose sum is σ = 231638688. Its totient is φ = 57909660.

The previous prime is 135122551. The next prime is 135122563. The reversal of 135122554 is 455221531.

135122554 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 not an unprimeable number, because it can be changed into a prime (135122551) 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, 4825792 + ... + 4825819.

It is an arithmetic number, because the mean of its divisors is an integer number (28954836).

Almost surely, 2^135122554 is an apocalyptic number.

135122554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135122554 is a deficient number, since it is larger than the sum of its proper divisors (96516134).

135122554 is an equidigital number, since it uses as much as digits as its factorization.

135122554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651620.

The product of its digits is 6000, while the sum is 28.

The square root of 135122554 is about 11624.2227267031. Note that the first 3 decimals coincide. The cubic root of 135122554 is about 513.1479699359.

The spelling of 135122554 in words is "one hundred thirty-five million, one hundred twenty-two thousand, five hundred fifty-four".