8133534 has 20 divisors (see below), whose sum is σ = 18225504. Its totient is φ = 2711124.

The previous prime is 8133533. The next prime is 8133569. The reversal of 8133534 is 4353318.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8133498 and 8133507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133533) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24942 + ... + 25265.

Almost surely, 2^8133534 is an apocalyptic number.

8133534 is an abundant number, since it is smaller than the sum of its proper divisors (10091970).

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

8133534 is a wasteful number, since it uses less digits than its factorization.

8133534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50221 (or 50212 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 8133534 is about 2851.9351325021. The cubic root of 8133534 is about 201.1066486828.

The spelling of 8133534 in words is "eight million, one hundred thirty-three thousand, five hundred thirty-four".