134209900 has 72 divisors (see below), whose sum is σ = 336447216. Its totient is φ = 45926400.

The previous prime is 134209897. The next prime is 134209903. The reversal of 134209900 is 9902431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134209897) and next prime (134209903).

It is not an unprimeable number, because it can be changed into a prime (134209903) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15112 + ... + 22288.

It is an arithmetic number, because the mean of its divisors is an integer number (4672878).

Almost surely, 2^134209900 is an apocalyptic number.

134209900 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 134209900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168223608).

134209900 is an abundant number, since it is smaller than the sum of its proper divisors (202237316).

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

134209900 is a wasteful number, since it uses less digits than its factorization.

134209900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219 (or 7212 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 134209900 is about 11584.8996542914. The cubic root of 134209900 is about 511.9900459897.

The spelling of 134209900 in words is "one hundred thirty-four million, two hundred nine thousand, nine hundred".