7230139 has 8 divisors (see below), whose sum is σ = 8376800. Its totient is φ = 6111936.

The previous prime is 7230137. The next prime is 7230163. The reversal of 7230139 is 9310327.

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 7230139 - 2¹ = 7230137 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7230131) 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, 6564 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (1047100).

Almost surely, 2^7230139 is an apocalyptic number.

7230139 is a deficient number, since it is larger than the sum of its proper divisors (1146661).

7230139 is a wasteful number, since it uses less digits than its factorization.

7230139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14229.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 7230139 is about 2688.8917791536. The cubic root of 7230139 is about 193.3669359614.

The spelling of 7230139 in words is "seven million, two hundred thirty thousand, one hundred thirty-nine".