139894101 has 16 divisors (see below), whose sum is σ = 208629120. Its totient is φ = 92642400.

The previous prime is 139894087. The next prime is 139894121. The reversal of 139894101 is 101498931.

139894101 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 139894101 - 2¹⁰ = 139893077 is a prime.

It is a super-3 number, since 3×139894101³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139894121) 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, 13080 + ... + 21233.

It is an arithmetic number, because the mean of its divisors is an integer number (13039320).

Almost surely, 2^139894101 is an apocalyptic number.

It is an amenable number.

139894101 is a deficient number, since it is larger than the sum of its proper divisors (68735019).

139894101 is a wasteful number, since it uses less digits than its factorization.

139894101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34473 (or 34467 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 139894101 is about 11827.6836701021. The cubic root of 139894101 is about 519.1184533665.

The spelling of 139894101 in words is "one hundred thirty-nine million, eight hundred ninety-four thousand, one hundred one".