139609366941 has 24 divisors (see below), whose sum is σ = 206593092160. Its totient is φ = 83790241920.

The previous prime is 139609366937. The next prime is 139609366943. The reversal of 139609366941 is 149663906931.

It is not a de Polignac number, because 139609366941 - 2² = 139609366937 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 (139609366943) 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 23 ways as a sum of consecutive naturals, for example, 1829596 + ... + 1904373.

Almost surely, 2^139609366941 is an apocalyptic number.

139609366941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139609366941 is a deficient number, since it is larger than the sum of its proper divisors (66983725219).

139609366941 is a wasteful number, since it uses less digits than its factorization.

139609366941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734097 (or 3734086 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 57.

The spelling of 139609366941 in words is "one hundred thirty-nine billion, six hundred nine million, three hundred sixty-six thousand, nine hundred forty-one".