139585245 has 16 divisors (see below), whose sum is σ = 225426240. Its totient is φ = 73748864.

The previous prime is 139585189. The next prime is 139585247. The reversal of 139585245 is 542585931.

It is a cyclic number.

It is not a de Polignac number, because 139585245 - 2⁸ = 139584989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139585197 and 139585206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139585247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41880 + ... + 45089.

It is an arithmetic number, because the mean of its divisors is an integer number (14089140).

Almost surely, 2^139585245 is an apocalyptic number.

139585245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139585245 is a deficient number, since it is larger than the sum of its proper divisors (85840995).

139585245 is a wasteful number, since it uses less digits than its factorization.

139585245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87084.

The product of its digits is 216000, while the sum is 42.

The square root of 139585245 is about 11814.6199684967. The cubic root of 139585245 is about 518.7361380144.

The spelling of 139585245 in words is "one hundred thirty-nine million, five hundred eighty-five thousand, two hundred forty-five".