1234134189 has 12 divisors (see below), whose sum is σ = 1876461600. Its totient is φ = 779453064.

The previous prime is 1234134169. The next prime is 1234134191. The reversal of 1234134189 is 9814314321.

1234134189 is a `hidden beast` number, since 1 + 234 + 1 + 3 + 418 + 9 = 666.

It is not a de Polignac number, because 1234134189 - 2⁸ = 1234133933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234134169) 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, 3608409 + ... + 3608750.

It is an arithmetic number, because the mean of its divisors is an integer number (156371800).

Almost surely, 2^1234134189 is an apocalyptic number.

1234134189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1234134189 is a deficient number, since it is larger than the sum of its proper divisors (642327411).

1234134189 is a wasteful number, since it uses less digits than its factorization.

1234134189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217184 (or 7217181 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1234134189 is about 35130.2460708717. The cubic root of 1234134189 is about 1072.6403448140.

The spelling of 1234134189 in words is "one billion, two hundred thirty-four million, one hundred thirty-four thousand, one hundred eighty-nine".