134863680 has 336 divisors, whose sum is σ = 517038336. Its totient is φ = 29675520.

The previous prime is 134863667. The next prime is 134863699. The reversal of 134863680 is 86368431.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2210850 + ... + 2210910.

Almost surely, 2^134863680 is an apocalyptic number.

134863680 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 134863680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258519168).

134863680 is an abundant number, since it is smaller than the sum of its proper divisors (382174656).

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

134863680 is a wasteful number, since it uses less digits than its factorization.

134863680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 134863680 is about 11613.0822781895. The cubic root of 134863680 is about 512.8200562799.

The spelling of 134863680 in words is "one hundred thirty-four million, eight hundred sixty-three thousand, six hundred eighty".