134653644 has 48 divisors (see below), whose sum is σ = 350730240. Its totient is φ = 44675280.

The previous prime is 134653643. The next prime is 134653669. The reversal of 134653644 is 446356431.

134653644 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 5 + 3 + 644 = 666.

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 = 134653599 and 134653608.

It is not an unprimeable number, because it can be changed into a prime (134653643) 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 15 ways as a sum of consecutive naturals, for example, 21289 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (7306880).

Almost surely, 2^134653644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134653644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175365120).

134653644 is an abundant number, since it is smaller than the sum of its proper divisors (216076596).

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

134653644 is a wasteful number, since it uses less digits than its factorization.

134653644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827 (or 5819 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 134653644 is about 11604.0356772978. The cubic root of 134653644 is about 512.5536968524.

The spelling of 134653644 in words is "one hundred thirty-four million, six hundred fifty-three thousand, six hundred forty-four".