134100442 has 48 divisors (see below), whose sum is σ = 253229760. Its totient is φ = 52024896.

The previous prime is 134100413. The next prime is 134100457. The reversal of 134100442 is 244001431.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 140238 + ... + 141190.

It is an arithmetic number, because the mean of its divisors is an integer number (5275620).

Almost surely, 2^134100442 is an apocalyptic number.

134100442 is a deficient number, since it is larger than the sum of its proper divisors (119129318).

134100442 is a wasteful number, since it uses less digits than its factorization.

134100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1004 counting only the distinct ones).

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

The square root of 134100442 is about 11580.1745237280. The cubic root of 134100442 is about 511.8508196767.

Adding to 134100442 its reverse (244001431), we get a palindrome (378101873).

It can be divided in two parts, 134 and 100442, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 134100442 in words is "one hundred thirty-four million, one hundred thousand, four hundred forty-two".