100700139 has 4 divisors (see below), whose sum is σ = 134266856. Its totient is φ = 67133424.

The previous prime is 100700137. The next prime is 100700143. The reversal of 100700139 is 931007001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931007001 = 3 ⋅310335667.

It is not a de Polignac number, because 100700139 - 2¹ = 100700137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100700137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16783354 + ... + 16783359.

It is an arithmetic number, because the mean of its divisors is an integer number (33566714).

Almost surely, 2^100700139 is an apocalyptic number.

100700139 is a deficient number, since it is larger than the sum of its proper divisors (33566717).

100700139 is an equidigital number, since it uses as much as digits as its factorization.

100700139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33566716.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 100700139 is about 10034.9458892413. The cubic root of 100700139 is about 465.2396175129.

The spelling of 100700139 in words is "one hundred million, seven hundred thousand, one hundred thirty-nine".