813547134 has 12 divisors (see below), whose sum is σ = 1762685496. Its totient is φ = 271182372.

The previous prime is 813547127. The next prime is 813547139. The reversal of 813547134 is 431745318.

It is a happy number.

813547134 is a `hidden beast` number, since 81 + 3 + 547 + 1 + 34 = 666.

It is a super-2 number, since 2×813547134² = 1323717878479227912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813547139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22598514 + ... + 22598549.

It is an arithmetic number, because the mean of its divisors is an integer number (146890458).

Almost surely, 2^813547134 is an apocalyptic number.

813547134 is an abundant number, since it is smaller than the sum of its proper divisors (949138362).

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

813547134 is a wasteful number, since it uses less digits than its factorization.

813547134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45197071 (or 45197068 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 813547134 is about 28522.7476586671. The cubic root of 813547134 is about 933.5284826914.

It can be divided in two parts, 81354 and 7134, that added together give a palindrome (88488).

The spelling of 813547134 in words is "eight hundred thirteen million, five hundred forty-seven thousand, one hundred thirty-four".