134881650 has 72 divisors (see below), whose sum is σ = 372222084. Its totient is φ = 34992000.

The previous prime is 134881631. The next prime is 134881657. The reversal of 134881650 is 56188431.

134881650 is a `hidden beast` number, since 13 + 488 + 165 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 121682961 + 13198689 = 11031^2 + 3633^2 .

It is not an unprimeable number, because it can be changed into a prime (134881657) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12600 + ... + 20700.

Almost surely, 2^134881650 is an apocalyptic number.

134881650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134881650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186111042).

134881650 is an abundant number, since it is smaller than the sum of its proper divisors (237340434).

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

134881650 is a wasteful number, since it uses less digits than its factorization.

134881650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156 (or 8148 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 134881650 is about 11613.8559488225. The cubic root of 134881650 is about 512.8428322839.

It can be divided in two parts, 134881 and 650, that added together give a palindrome (135531).

The spelling of 134881650 in words is "one hundred thirty-four million, eight hundred eighty-one thousand, six hundred fifty".