100271939 has 6 divisors (see below), whose sum is σ = 101419260. Its totient is φ = 99137456.

The previous prime is 100271923. The next prime is 100271957. The reversal of 100271939 is 939172001.

It is a happy number.

It is not a de Polignac number, because 100271939 - 2⁴ = 100271923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100271909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1592 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (16903210).

Almost surely, 2^100271939 is an apocalyptic number.

100271939 is a deficient number, since it is larger than the sum of its proper divisors (1147321).

100271939 is an frugal number, since it uses more digits than its factorization.

100271939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 100271939 is about 10013.5877186950. The cubic root of 100271939 is about 464.5792455569.

The spelling of 100271939 in words is "one hundred million, two hundred seventy-one thousand, nine hundred thirty-nine".