134991600 has 240 divisors, whose sum is σ = 464232192. Its totient is φ = 33454080.

The previous prime is 134991589. The next prime is 134991601. The reversal of 134991600 is 6199431.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134991601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1849164 + ... + 1849236.

Almost surely, 2^134991600 is an apocalyptic number.

134991600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134991600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232116096).

134991600 is an abundant number, since it is smaller than the sum of its proper divisors (329240592).

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

134991600 is a wasteful number, since it uses less digits than its factorization.

134991600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 134991600 is about 11618.5885545534. The cubic root of 134991600 is about 512.9821439320.

The spelling of 134991600 in words is "one hundred thirty-four million, nine hundred ninety-one thousand, six hundred".