100909514 has 8 divisors (see below), whose sum is σ = 151515588. Its totient is φ = 50404320.

The previous prime is 100909489. The next prime is 100909547. The reversal of 100909514 is 415909001.

It can be written as a sum of positive squares in 2 ways, for example, as 90573289 + 10336225 = 9517^2 + 3215^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22667 + ... + 26750.

Almost surely, 2^100909514 is an apocalyptic number.

100909514 is a deficient number, since it is larger than the sum of its proper divisors (50606074).

100909514 is a wasteful number, since it uses less digits than its factorization.

100909514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50440.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 100909514 is about 10045.3727656071. The cubic root of 100909514 is about 465.5618352466.

The spelling of 100909514 in words is "one hundred million, nine hundred nine thousand, five hundred fourteen".