139096061 has 8 divisors (see below), whose sum is σ = 153844824. Its totient is φ = 124925760.

The previous prime is 139096051. The next prime is 139096063. The reversal of 139096061 is 160690931.

It can be written as a sum of positive squares in 4 ways, for example, as 50623225 + 88472836 = 7115^2 + 9406^2 .

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 139096061 - 2⁶ = 139095997 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 (139096063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144110 + ... + 145071.

It is an arithmetic number, because the mean of its divisors is an integer number (19230603).

Almost surely, 2^139096061 is an apocalyptic number.

It is an amenable number.

139096061 is a deficient number, since it is larger than the sum of its proper divisors (14748763).

139096061 is a wasteful number, since it uses less digits than its factorization.

139096061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289231.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 139096061 is about 11793.8993127803. The cubic root of 139096061 is about 518.1294491701.

The spelling of 139096061 in words is "one hundred thirty-nine million, ninety-six thousand, sixty-one".