134833644 has 144 divisors (see below), whose sum is σ = 393120000. Its totient is φ = 38586240.

The previous prime is 134833637. The next prime is 134833667. The reversal of 134833644 is 446338431.

It is a happy number.

134833644 is a `hidden beast` number, since 1 + 3 + 4 + 8 + 3 + 3 + 644 = 666.

It is a super-2 number, since 2×134833644² = 36360223108637472, which contains 22 as substring.

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 = 134833599 and 134833608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 677457 + ... + 677655.

It is an arithmetic number, because the mean of its divisors is an integer number (2730000).

Almost surely, 2^134833644 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 134833644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196560000).

134833644 is an abundant number, since it is smaller than the sum of its proper divisors (258286356).

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

134833644 is a wasteful number, since it uses less digits than its factorization.

134833644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 303 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 134833644 is about 11611.7890094507. The cubic root of 134833644 is about 512.7819827555.

The spelling of 134833644 in words is "one hundred thirty-four million, eight hundred thirty-three thousand, six hundred forty-four".