134949427200 has 1728 divisors, whose sum is σ = 615965575680. Its totient is φ = 27509391360.

The previous prime is 134949427187. The next prime is 134949427219. The reversal of 134949427200 is 2724949431.

134949427200 is a `hidden beast` number, since 1 + 3 + 494 + 94 + 2 + 72 + 0 + 0 = 666.

It is a super-2 number, since 2×134949427200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1261209547 + ... + 1261209653.

It is an arithmetic number, because the mean of its divisors is an integer number (356461560).

Almost surely, 2^134949427200 is an apocalyptic number.

134949427200 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 134949427200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307982787840).

134949427200 is an abundant number, since it is smaller than the sum of its proper divisors (481016148480).

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

134949427200 is a wasteful number, since it uses less digits than its factorization.

134949427200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 134949427200 in words is "one hundred thirty-four billion, nine hundred forty-nine million, four hundred twenty-seven thousand, two hundred".