100321134 has 16 divisors (see below), whose sum is σ = 206065488. Its totient is φ = 32536512.

The previous prime is 100321099. The next prime is 100321139. The reversal of 100321134 is 431123001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321139) 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, 225727 + ... + 226170.

It is an arithmetic number, because the mean of its divisors is an integer number (12879093).

Almost surely, 2^100321134 is an apocalyptic number.

100321134 is an abundant number, since it is smaller than the sum of its proper divisors (105744354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100321134 is a wasteful number, since it uses less digits than its factorization.

100321134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451939.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 100321134 is about 10016.0438297763. The cubic root of 100321134 is about 464.6552097784.

Adding to 100321134 its reverse (431123001), we get a palindrome (531444135).

The spelling of 100321134 in words is "one hundred million, three hundred twenty-one thousand, one hundred thirty-four".