100405330 has 8 divisors (see below), whose sum is σ = 180729612. Its totient is φ = 40162128.

The previous prime is 100405303. The next prime is 100405369. The reversal of 100405330 is 33504001.

It can be written as a sum of positive squares in 2 ways, for example, as 100260169 + 145161 = 10013^2 + 381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020257 + ... + 5020276.

Almost surely, 2^100405330 is an apocalyptic number.

100405330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100405330 is a deficient number, since it is larger than the sum of its proper divisors (80324282).

100405330 is a wasteful number, since it uses less digits than its factorization.

100405330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040540.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 100405330 is about 10020.2460049641. The cubic root of 100405330 is about 464.7851630228.

Adding to 100405330 its reverse (33504001), we get a palindrome (133909331).

The spelling of 100405330 in words is "one hundred million, four hundred five thousand, three hundred thirty".