100636401 has 8 divisors (see below), whose sum is σ = 134401120. Its totient is φ = 66981312.

The previous prime is 100636399. The next prime is 100636439. The reversal of 100636401 is 104636001.

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

It is not a de Polignac number, because 100636401 - 2¹ = 100636399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100686401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25240 + ... + 28953.

It is an arithmetic number, because the mean of its divisors is an integer number (16800140).

Almost surely, 2^100636401 is an apocalyptic number.

It is an amenable number.

100636401 is a deficient number, since it is larger than the sum of its proper divisors (33764719).

100636401 is an equidigital number, since it uses as much as digits as its factorization.

100636401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54815.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 100636401 is about 10031.7695846745. The cubic root of 100636401 is about 465.1414392263.

The spelling of 100636401 in words is "one hundred million, six hundred thirty-six thousand, four hundred one".