1344134142 has 64 divisors (see below), whose sum is σ = 3222192960. Its totient is φ = 412877952.

The previous prime is 1344134117. The next prime is 1344134147. The reversal of 1344134142 is 2414314431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344134147) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 541408 + ... + 543884.

It is an arithmetic number, because the mean of its divisors is an integer number (50346765).

Almost surely, 2^1344134142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344134142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611096480).

1344134142 is an abundant number, since it is smaller than the sum of its proper divisors (1878058818).

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

1344134142 is a wasteful number, since it uses less digits than its factorization.

1344134142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274 (or 3268 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1344134142 is about 36662.4350255135. The cubic root of 1344134142 is about 1103.6063843714.

Adding to 1344134142 its reverse (2414314431), we get a palindrome (3758448573).

The spelling of 1344134142 in words is "one billion, three hundred forty-four million, one hundred thirty-four thousand, one hundred forty-two".