534138892 has 12 divisors (see below), whose sum is σ = 1068277840. Its totient is φ = 228916656.

The previous prime is 534138809. The next prime is 534138901. The reversal of 534138892 is 298831435.

534138892 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9538167 + ... + 9538222.

Almost surely, 2^534138892 is an apocalyptic number.

It is an amenable number.

534138892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

534138892 is a wasteful number, since it uses less digits than its factorization.

534138892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19076400 (or 19076398 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 534138892 is about 23111.4450435277. The cubic root of 534138892 is about 811.3683582257.

The spelling of 534138892 in words is "five hundred thirty-four million, one hundred thirty-eight thousand, eight hundred ninety-two".