107939439421 has 16 divisors (see below), whose sum is σ = 119675611008. Its totient is φ = 96536232000.

The previous prime is 107939439409. The next prime is 107939439463. The reversal of 107939439421 is 124934939701.

It is a cyclic number.

It is not a de Polignac number, because 107939439421 - 2⁵ = 107939439389 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 (107939439401) 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 15 ways as a sum of consecutive naturals, for example, 134985 + ... + 483838.

It is an arithmetic number, because the mean of its divisors is an integer number (7479725688).

Almost surely, 2^107939439421 is an apocalyptic number.

107939439421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

107939439421 is a deficient number, since it is larger than the sum of its proper divisors (11736171587).

107939439421 is a wasteful number, since it uses less digits than its factorization.

107939439421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619092.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 107939439421 in words is "one hundred seven billion, nine hundred thirty-nine million, four hundred thirty-nine thousand, four hundred twenty-one".