9250138539 has 12 divisors (see below), whose sum is σ = 13382904600. Its totient is φ = 6156792864.

The previous prime is 9250138537. The next prime is 9250138591. The reversal of 9250138539 is 9358310529.

9250138539 is a `hidden beast` number, since 92 + 501 + 3 + 8 + 53 + 9 = 666.

It is not a de Polignac number, because 9250138539 - 2¹ = 9250138537 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9250138494 and 9250138503.

It is not an unprimeable number, because it can be changed into a prime (9250138537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824634 + ... + 835775.

It is an arithmetic number, because the mean of its divisors is an integer number (1115242050).

Almost surely, 2^9250138539 is an apocalyptic number.

9250138539 is a deficient number, since it is larger than the sum of its proper divisors (4132766061).

9250138539 is a wasteful number, since it uses less digits than its factorization.

9250138539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661034 (or 1661031 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 9250138539 is about 96177.6405356255. The cubic root of 9250138539 is about 2099.1787067318.

The spelling of 9250138539 in words is "nine billion, two hundred fifty million, one hundred thirty-eight thousand, five hundred thirty-nine".