100134442 has 16 divisors (see below), whose sum is σ = 151913664. Its totient is φ = 49500000.

The previous prime is 100134439. The next prime is 100134491. The reversal of 100134442 is 244431001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75142 + ... + 76462.

It is an arithmetic number, because the mean of its divisors is an integer number (9494604).

Almost surely, 2^100134442 is an apocalyptic number.

100134442 is a deficient number, since it is larger than the sum of its proper divisors (51779222).

100134442 is a wasteful number, since it uses less digits than its factorization.

100134442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 100134442 is about 10006.7198421860. The cubic root of 100134442 is about 464.3667983761.

Adding to 100134442 its reverse (244431001), we get a palindrome (344565443).

It can be divided in two parts, 100134 and 442, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 100134442 in words is "one hundred million, one hundred thirty-four thousand, four hundred forty-two".