100342134 has 24 divisors (see below), whose sum is σ = 222465672. Its totient is φ = 32669280.

The previous prime is 100342069. The next prime is 100342141. The reversal of 100342134 is 431243001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64047 + ... + 65594.

It is an arithmetic number, because the mean of its divisors is an integer number (9269403).

Almost surely, 2^100342134 is an apocalyptic number.

100342134 is an abundant number, since it is smaller than the sum of its proper divisors (122123538).

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

100342134 is a wasteful number, since it uses less digits than its factorization.

100342134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129692 (or 129689 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 100342134 is about 10017.0920930178. The cubic root of 100342134 is about 464.6876292638.

Adding to 100342134 its reverse (431243001), we get a palindrome (531585135).

The spelling of 100342134 in words is "one hundred million, three hundred forty-two thousand, one hundred thirty-four".