134981550 has 216 divisors, whose sum is σ = 415499448. Its totient is φ = 31363200.

The previous prime is 134981537. The next prime is 134981597. The reversal of 134981550 is 55189431.

134981550 is a `hidden beast` number, since 13 + 4 + 98 + 1 + 550 = 666.

134981550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2014617 + ... + 2014683.

Almost surely, 2^134981550 is an apocalyptic number.

134981550 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 134981550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207749724).

134981550 is an abundant number, since it is smaller than the sum of its proper divisors (280517898).

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

134981550 is a wasteful number, since it uses less digits than its factorization.

134981550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 134981550 is about 11618.1560499074. The cubic root of 134981550 is about 512.9694132670.

It can be divided in two parts, 134981 and 550, that added together give a palindrome (135531).

The spelling of 134981550 in words is "one hundred thirty-four million, nine hundred eighty-one thousand, five hundred fifty".