134742144 has 32 divisors (see below), whose sum is σ = 357909840. Its totient is φ = 44913920.

The previous prime is 134742143. The next prime is 134742161. The reversal of 134742144 is 441247431.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (134742143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175062 + ... + 175829.

Almost surely, 2^134742144 is an apocalyptic number.

It is an amenable number.

134742144 is an abundant number, since it is smaller than the sum of its proper divisors (223167696).

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

134742144 is an equidigital number, since it uses as much as digits as its factorization.

134742144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350908 (or 350896 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 134742144 is about 11607.8483794371. The cubic root of 134742144 is about 512.6659628279.

Adding to 134742144 its reverse (441247431), we get a palindrome (575989575).

The spelling of 134742144 in words is "one hundred thirty-four million, seven hundred forty-two thousand, one hundred forty-four".