100304137 has 4 divisors (see below), whose sum is σ = 100422036. Its totient is φ = 100186240.

The previous prime is 100304129. The next prime is 100304153. The reversal of 100304137 is 731403001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731403001 = 7 ⋅104486143.

It can be written as a sum of positive squares in 2 ways, for example, as 77369616 + 22934521 = 8796^2 + 4789^2 .

It is a cyclic number.

It is not a de Polignac number, because 100304137 - 2³ = 100304129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100304177) 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, 57664 + ... + 59377.

It is an arithmetic number, because the mean of its divisors is an integer number (25105509).

Almost surely, 2^100304137 is an apocalyptic number.

It is an amenable number.

100304137 is a deficient number, since it is larger than the sum of its proper divisors (117899).

100304137 is an equidigital number, since it uses as much as digits as its factorization.

100304137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117898.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 100304137 is about 10015.1953051351. The cubic root of 100304137 is about 464.6289667514.

Adding to 100304137 its reverse (731403001), we get a palindrome (831707138).

The spelling of 100304137 in words is "one hundred million, three hundred four thousand, one hundred thirty-seven".