807139 has 8 divisors (see below), whose sum is σ = 887040. Its totient is φ = 731016.

The previous prime is 807127. The next prime is 807151. The reversal of 807139 is 931708.

It is an interprime number because it is at equal distance from previous prime (807127) and next prime (807151).

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 807139 - 2⁷ = 807011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (807119) 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, 487 + ... + 1360.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2⁸⁰⁷¹³⁹ is an apocalyptic number.

807139 is a deficient number, since it is larger than the sum of its proper divisors (79901).

807139 is a wasteful number, since it uses less digits than its factorization.

807139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 807139 is about 898.4091495527. The cubic root of 807139 is about 93.1070951869.

It can be divided in two parts, 807 and 139, that added together give a triangular number (946 = T₄₃).

The spelling of 807139 in words is "eight hundred seven thousand, one hundred thirty-nine".