139725359 has 4 divisors (see below), whose sum is σ = 140044080. Its totient is φ = 139406640.

The previous prime is 139725349. The next prime is 139725367. The reversal of 139725359 is 953527931.

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 139725359 - 2²⁴ = 122948143 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 (139725349) 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, 158702 + ... + 159579.

It is an arithmetic number, because the mean of its divisors is an integer number (35011020).

Almost surely, 2^139725359 is an apocalyptic number.

139725359 is a deficient number, since it is larger than the sum of its proper divisors (318721).

139725359 is an equidigital number, since it uses as much as digits as its factorization.

139725359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318720.

The product of its digits is 255150, while the sum is 44.

The square root of 139725359 is about 11820.5481683380. The cubic root of 139725359 is about 518.9096470164.

The spelling of 139725359 in words is "one hundred thirty-nine million, seven hundred twenty-five thousand, three hundred fifty-nine".