100013139 has 24 divisors (see below), whose sum is σ = 147393792. Its totient is φ = 65335680.

The previous prime is 100013113. The next prime is 100013143. The reversal of 100013139 is 931310001.

It is not a de Polignac number, because 100013139 - 2¹¹ = 100011091 is a prime.

It is a super-4 number, since 4×100013139⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (100013149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125089 + ... + 125885.

It is an arithmetic number, because the mean of its divisors is an integer number (6141408).

Almost surely, 2^100013139 is an apocalyptic number.

100013139 is a deficient number, since it is larger than the sum of its proper divisors (47380653).

100013139 is a wasteful number, since it uses less digits than its factorization.

100013139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 100013139 is about 10000.6569284223. The cubic root of 100013139 is about 464.1792110829.

The spelling of 100013139 in words is "one hundred million, thirteen thousand, one hundred thirty-nine".