9534707138 has 32 divisors (see below), whose sum is σ = 16128364032. Its totient is φ = 4188211200.

The previous prime is 9534707137. The next prime is 9534707177. The reversal of 9534707138 is 8317074359.

It is a junction number, because it is equal to n+sod(n) for n = 9534707092 and 9534707101.

It is not an unprimeable number, because it can be changed into a prime (9534707137) 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, 490370 + ... + 509442.

It is an arithmetic number, because the mean of its divisors is an integer number (504011376).

Almost surely, 2^9534707138 is an apocalyptic number.

9534707138 is a deficient number, since it is larger than the sum of its proper divisors (6593656894).

9534707138 is a wasteful number, since it uses less digits than its factorization.

9534707138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 9534707138 is about 97645.8249901141. The cubic root of 9534707138 is about 2120.4878385168.

The spelling of 9534707138 in words is "nine billion, five hundred thirty-four million, seven hundred seven thousand, one hundred thirty-eight".