7139077 has 4 divisors (see below), whose sum is σ = 7788096. Its totient is φ = 6490060.

The previous prime is 7139071. The next prime is 7139089. The reversal of 7139077 is 7709317.

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 7139077 - 2⁷ = 7138949 is a prime.

It is a Duffinian number.

7139077 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324493 + ... + 324514.

It is an arithmetic number, because the mean of its divisors is an integer number (1947024).

Almost surely, 2^7139077 is an apocalyptic number.

It is an amenable number.

7139077 is a deficient number, since it is larger than the sum of its proper divisors (649019).

7139077 is a wasteful number, since it uses less digits than its factorization.

7139077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649018.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 7139077 is about 2671.9051255612. The cubic root of 7139077 is about 192.5516991629.

The spelling of 7139077 in words is "seven million, one hundred thirty-nine thousand, seventy-seven".