8354697138 has 48 divisors (see below), whose sum is σ = 19315651680. Its totient is φ = 2602176192.

The previous prime is 8354697137. The next prime is 8354697217. The reversal of 8354697138 is 8317964538.

8354697138 is a `hidden beast` number, since 8 + 3 + 546 + 97 + 1 + 3 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8354697133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142356 + ... + 192287.

It is an arithmetic number, because the mean of its divisors is an integer number (402409410).

Almost surely, 2^8354697138 is an apocalyptic number.

8354697138 is an abundant number, since it is smaller than the sum of its proper divisors (10960954542).

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

8354697138 is a wasteful number, since it uses less digits than its factorization.

8354697138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334743 (or 334740 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 8354697138 is about 91404.0323946378. The cubic root of 8354697138 is about 2029.1317064394.

The spelling of 8354697138 in words is "eight billion, three hundred fifty-four million, six hundred ninety-seven thousand, one hundred thirty-eight".