814389134 has 32 divisors (see below), whose sum is σ = 1387102080. Its totient is φ = 355495392.

The previous prime is 814389113. The next prime is 814389137. The reversal of 814389134 is 431983418.

It is a junction number, because it is equal to n+sod(n) for n = 814389091 and 814389100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814389137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435269 + ... + 437135.

It is an arithmetic number, because the mean of its divisors is an integer number (43346940).

Almost surely, 2^814389134 is an apocalyptic number.

814389134 is a deficient number, since it is larger than the sum of its proper divisors (572712946).

814389134 is a wasteful number, since it uses less digits than its factorization.

814389134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784.

The product of its digits is 82944, while the sum is 41.

The square root of 814389134 is about 28537.5039903633. The cubic root of 814389134 is about 933.8504308333.

The spelling of 814389134 in words is "eight hundred fourteen million, three hundred eighty-nine thousand, one hundred thirty-four".