139600004 has 12 divisors (see below), whose sum is σ = 245857164. Its totient is φ = 69355104.

The previous prime is 139599931. The next prime is 139600009. The reversal of 139600004 is 400006931.

It can be written as a sum of positive squares in 2 ways, for example, as 37185604 + 102414400 = 6098^2 + 10120^2 .

It is a super-2 number, since 2×139600004² = 38976322233600032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139600009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110519 + ... + 111774.

It is an arithmetic number, because the mean of its divisors is an integer number (20488097).

Almost surely, 2^139600004 is an apocalyptic number.

It is an amenable number.

139600004 is a deficient number, since it is larger than the sum of its proper divisors (106257160).

139600004 is a wasteful number, since it uses less digits than its factorization.

139600004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222454 (or 222452 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 139600004 is about 11815.2445594664. The cubic root of 139600004 is about 518.7544201685.

Adding to 139600004 its reverse (400006931), we get a palindrome (539606935).

The spelling of 139600004 in words is "one hundred thirty-nine million, six hundred thousand, four".