9139501 has 4 divisors (see below), whose sum is σ = 10445152. Its totient is φ = 7833852.

The previous prime is 9139483. The next prime is 9139517. The reversal of 9139501 is 1059319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1059319 = 139 ⋅7621.

It is a cyclic number.

It is not a de Polignac number, because 9139501 - 2⁵ = 9139469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9139501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9139531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652815 + ... + 652828.

It is an arithmetic number, because the mean of its divisors is an integer number (2611288).

Almost surely, 2^9139501 is an apocalyptic number.

It is an amenable number.

9139501 is a deficient number, since it is larger than the sum of its proper divisors (1305651).

9139501 is a wasteful number, since it uses less digits than its factorization.

9139501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305650.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 9139501 is about 3023.1607631749. The cubic root of 9139501 is about 209.0775945638.

The spelling of 9139501 in words is "nine million, one hundred thirty-nine thousand, five hundred one".