9452139 has 16 divisors (see below), whose sum is σ = 13372800. Its totient is φ = 5921856.

The previous prime is 9452137. The next prime is 9452141. The reversal of 9452139 is 9312549.

It is an interprime number because it is at equal distance from previous prime (9452137) and next prime (9452141).

It is not a de Polignac number, because 9452139 - 2¹ = 9452137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9452137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7327 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (835800).

Almost surely, 2^9452139 is an apocalyptic number.

9452139 is a deficient number, since it is larger than the sum of its proper divisors (3920661).

9452139 is a wasteful number, since it uses less digits than its factorization.

9452139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its digits is 9720, while the sum is 33.

The square root of 9452139 is about 3074.4331184789. The cubic root of 9452139 is about 211.4349122633.

It can be divided in two parts, 9452 and 139, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 9452139 in words is "nine million, four hundred fifty-two thousand, one hundred thirty-nine".