139580071 has 4 divisors (see below), whose sum is σ = 140517000. Its totient is φ = 138643144.

The previous prime is 139580069. The next prime is 139580093. The reversal of 139580071 is 170085931.

It is a happy number.

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 139580071 - 2¹ = 139580069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139580471) 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, 468241 + ... + 468538.

It is an arithmetic number, because the mean of its divisors is an integer number (35129250).

Almost surely, 2^139580071 is an apocalyptic number.

139580071 is a deficient number, since it is larger than the sum of its proper divisors (936929).

139580071 is an equidigital number, since it uses as much as digits as its factorization.

139580071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936928.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 139580071 is about 11814.4010004740. The cubic root of 139580071 is about 518.7297286122.

The spelling of 139580071 in words is "one hundred thirty-nine million, five hundred eighty thousand, seventy-one".