134191800 has 72 divisors (see below), whose sum is σ = 450666840. Its totient is φ = 35784000.

The previous prime is 134191793. The next prime is 134191823. The reversal of 134191800 is 8191431.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35476 + ... + 39075.

Almost surely, 2^134191800 is an apocalyptic number.

134191800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134191800 is an abundant number, since it is smaller than the sum of its proper divisors (316475040).

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

134191800 is a wasteful number, since it uses less digits than its factorization.

134191800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74573 (or 74561 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 134191800 is about 11584.1184386210. The cubic root of 134191800 is about 511.9670287199.

The spelling of 134191800 in words is "one hundred thirty-four million, one hundred ninety-one thousand, eight hundred".