790139 has 4 divisors (see below), whose sum is σ = 903024. Its totient is φ = 677256.

The previous prime is 790121. The next prime is 790169. The reversal of 790139 is 931097.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 790139 - 2⁸ = 789883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (790169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56432 + ... + 56445.

It is an arithmetic number, because the mean of its divisors is an integer number (225756).

2⁷⁹⁰¹³⁹ is an apocalyptic number.

790139 is a deficient number, since it is larger than the sum of its proper divisors (112885).

790139 is a wasteful number, since it uses less digits than its factorization.

790139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112884.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 790139 is about 888.8976319014. The cubic root of 790139 is about 92.4487761191.

It can be divided in two parts, 79013 and 9, that multiplied together give a palindrome (711117).

The spelling of 790139 in words is "seven hundred ninety thousand, one hundred thirty-nine".