135147744 has 48 divisors (see below), whose sum is σ = 394183440. Its totient is φ = 45048960.

The previous prime is 135147709. The next prime is 135147763. The reversal of 135147744 is 447741531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 135147699 and 135147708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77347 + ... + 79074.

It is an arithmetic number, because the mean of its divisors is an integer number (8212155).

Almost surely, 2^135147744 is an apocalyptic number.

It is an amenable number.

135147744 is an abundant number, since it is smaller than the sum of its proper divisors (259035696).

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

135147744 is a wasteful number, since it uses less digits than its factorization.

135147744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156440 (or 156426 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 135147744 is about 11625.3061895160. The cubic root of 135147744 is about 513.1798555435.

The spelling of 135147744 in words is "one hundred thirty-five million, one hundred forty-seven thousand, seven hundred forty-four".