134863380 has 240 divisors, whose sum is σ = 461039040. Its totient is φ = 32873472.

The previous prime is 134863373. The next prime is 134863403. The reversal of 134863380 is 83368431.

It is a happy number.

134863380 is a `hidden beast` number, since 13 + 4 + 8 + 633 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1624819 + ... + 1624901.

It is an arithmetic number, because the mean of its divisors is an integer number (1920996).

Almost surely, 2^134863380 is an apocalyptic number.

134863380 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 134863380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230519520).

134863380 is an abundant number, since it is smaller than the sum of its proper divisors (326175660).

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

134863380 is a wasteful number, since it uses less digits than its factorization.

134863380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 134863380 is about 11613.0693617148. The cubic root of 134863380 is about 512.8196760290.

The spelling of 134863380 in words is "one hundred thirty-four million, eight hundred sixty-three thousand, three hundred eighty".