7139049 has 4 divisors (see below), whose sum is σ = 9518736. Its totient is φ = 4759364.

The previous prime is 7139023. The next prime is 7139071. The reversal of 7139049 is 9409317.

7139049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 7139049 - 2¹¹ = 7137001 is a prime.

7139049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7139009) 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, 1189839 + ... + 1189844.

It is an arithmetic number, because the mean of its divisors is an integer number (2379684).

Almost surely, 2^7139049 is an apocalyptic number.

It is an amenable number.

7139049 is a deficient number, since it is larger than the sum of its proper divisors (2379687).

7139049 is a wasteful number, since it uses less digits than its factorization.

7139049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379686.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 7139049 is about 2671.8998858490. The cubic root of 7139049 is about 192.5514474285.

The spelling of 7139049 in words is "seven million, one hundred thirty-nine thousand, forty-nine".