135404522 has 8 divisors (see below), whose sum is σ = 221571072. Its totient is φ = 61547500.

The previous prime is 135404513. The next prime is 135404551. The reversal of 135404522 is 225404531.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 135404491 and 135404500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077354 + ... + 3077397.

It is an arithmetic number, because the mean of its divisors is an integer number (27696384).

Almost surely, 2^135404522 is an apocalyptic number.

135404522 is a deficient number, since it is larger than the sum of its proper divisors (86166550).

135404522 is a wasteful number, since it uses less digits than its factorization.

135404522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154764.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 135404522 is about 11636.3448728542. The cubic root of 135404522 is about 513.5046603965.

Subtracting 135404522 from its reverse (225404531), we obtain a palindrome (90000009).

The spelling of 135404522 in words is "one hundred thirty-five million, four hundred four thousand, five hundred twenty-two".