100498139 has 8 divisors (see below), whose sum is σ = 115560960. Its totient is φ = 85611816.

The previous prime is 100498133. The next prime is 100498183. The reversal of 100498139 is 931894001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100498139 - 2²⁰ = 99449563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100498099 and 100498108.

It is not an unprimeable number, because it can be changed into a prime (100498133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42899 + ... + 45180.

It is an arithmetic number, because the mean of its divisors is an integer number (14445120).

Almost surely, 2^100498139 is an apocalyptic number.

100498139 is a deficient number, since it is larger than the sum of its proper divisors (15062821).

100498139 is an equidigital number, since it uses as much as digits as its factorization.

100498139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88249.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 100498139 is about 10024.8760092083. The cubic root of 100498139 is about 464.9283259475.

The spelling of 100498139 in words is "one hundred million, four hundred ninety-eight thousand, one hundred thirty-nine".