139325061 has 16 divisors (see below), whose sum is σ = 190105344. Its totient is φ = 90722304.

The previous prime is 139325057. The next prime is 139325063. The reversal of 139325061 is 160523931.

139325061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139325061 - 2² = 139325057 is a prime.

It is a super-2 number, since 2×139325061² = 38822945245307442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139325063) 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, 120261 + ... + 121413.

It is an arithmetic number, because the mean of its divisors is an integer number (11881584).

Almost surely, 2^139325061 is an apocalyptic number.

It is an amenable number.

139325061 is a deficient number, since it is larger than the sum of its proper divisors (50780283).

139325061 is a wasteful number, since it uses less digits than its factorization.

139325061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 139325061 is about 11803.6037293701. The cubic root of 139325061 is about 518.4136330851.

Adding to 139325061 its reverse (160523931), we get a palindrome (299848992).

The spelling of 139325061 in words is "one hundred thirty-nine million, three hundred twenty-five thousand, sixty-one".