134813880 has 48 divisors (see below), whose sum is σ = 438146280. Its totient is φ = 35950272.

The previous prime is 134813869. The next prime is 134813881. The reversal of 134813880 is 88318431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134813881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186882 + ... + 187601.

Almost surely, 2^134813880 is an apocalyptic number.

134813880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134813880 is an abundant number, since it is smaller than the sum of its proper divisors (303332400).

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

134813880 is a wasteful number, since it uses less digits than its factorization.

134813880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374500 (or 374493 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 134813880 is about 11610.9379466088. The cubic root of 134813880 is about 512.7569268965.

The spelling of 134813880 in words is "one hundred thirty-four million, eight hundred thirteen thousand, eight hundred eighty".