135177448 has 16 divisors (see below), whose sum is σ = 289666080. Its totient is φ = 57933168.

The previous prime is 135177443. The next prime is 135177461. The reversal of 135177448 is 844771531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135177448.

It is not an unprimeable number, because it can be changed into a prime (135177443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206886 + ... + 1206997.

It is an arithmetic number, because the mean of its divisors is an integer number (18104130).

Almost surely, 2^135177448 is an apocalyptic number.

It is an amenable number.

135177448 is an abundant number, since it is smaller than the sum of its proper divisors (154488632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135177448 is a wasteful number, since it uses less digits than its factorization.

135177448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413896 (or 2413892 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 135177448 is about 11626.5836770738. The cubic root of 135177448 is about 513.2174499009.

The spelling of 135177448 in words is "one hundred thirty-five million, one hundred seventy-seven thousand, four hundred forty-eight".