211404000134 has 4 divisors (see below), whose sum is σ = 317106000204. Its totient is φ = 105702000066.

The previous prime is 211404000131. The next prime is 211404000139. The reversal of 211404000134 is 431000404112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52851000032 + ... + 52851000035.

It is an arithmetic number, because the mean of its divisors is an integer number (79276500051).

Almost surely, 2^211404000134 is an apocalyptic number.

211404000134 is a deficient number, since it is larger than the sum of its proper divisors (105702000070).

211404000134 is a wasteful number, since it uses less digits than its factorization.

211404000134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105702000069.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211404000134 its reverse (431000404112), we get a palindrome (642404404246).

The spelling of 211404000134 in words is "two hundred eleven billion, four hundred four million, one hundred thirty-four", and thus it is an aban number.