134400211 has 4 divisors (see below), whose sum is σ = 146618424. Its totient is φ = 122182000.

The previous prime is 134400199. The next prime is 134400223. The reversal of 134400211 is 112004431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (134400199) and next prime (134400223).

It is a cyclic number.

It is not a de Polignac number, because 134400211 - 2¹¹ = 134398163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134400311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6109090 + ... + 6109111.

It is an arithmetic number, because the mean of its divisors is an integer number (36654606).

Almost surely, 2^134400211 is an apocalyptic number.

134400211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134400211 is a deficient number, since it is larger than the sum of its proper divisors (12218213).

134400211 is a wasteful number, since it uses less digits than its factorization.

134400211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12218212.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 134400211 is about 11593.1104971875. The cubic root of 134400211 is about 512.2319340526.

Adding to 134400211 its reverse (112004431), we get a palindrome (246404642).

The spelling of 134400211 in words is "one hundred thirty-four million, four hundred thousand, two hundred eleven".