9270139 has 8 divisors (see below), whose sum is σ = 9630720. Its totient is φ = 8916456.

The previous prime is 9270113. The next prime is 9270143. The reversal of 9270139 is 9310729.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9270139 - 2⁷ = 9270011 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 9270139.

It is not an unprimeable number, because it can be changed into a prime (9270179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 4444.

It is an arithmetic number, because the mean of its divisors is an integer number (1203840).

Almost surely, 2^9270139 is an apocalyptic number.

9270139 is a deficient number, since it is larger than the sum of its proper divisors (360581).

9270139 is a wasteful number, since it uses less digits than its factorization.

9270139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 9270139 is about 3044.6902962370. The cubic root of 9270139 is about 210.0690551432.

It can be divided in two parts, 9270 and 139, that added together give a square (9409 = 97²).

The spelling of 9270139 in words is "nine million, two hundred seventy thousand, one hundred thirty-nine".