7148039 has 4 divisors (see below), whose sum is σ = 7192056. Its totient is φ = 7104024.

The previous prime is 7148023. The next prime is 7148051. The reversal of 7148039 is 9308417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9308417 = 61 ⋅152597.

It is a cyclic number.

It is not a de Polignac number, because 7148039 - 2⁴ = 7148023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7147996 and 7148014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21764 + ... + 22089.

It is an arithmetic number, because the mean of its divisors is an integer number (1798014).

Almost surely, 2^7148039 is an apocalyptic number.

7148039 is a deficient number, since it is larger than the sum of its proper divisors (44017).

7148039 is a wasteful number, since it uses less digits than its factorization.

7148039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44016.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7148039 is about 2673.5816800689. The cubic root of 7148039 is about 192.6322383669.

The spelling of 7148039 in words is "seven million, one hundred forty-eight thousand, thirty-nine".