134722144 has 24 divisors (see below), whose sum is σ = 280837368. Its totient is φ = 63398400.

The previous prime is 134722129. The next prime is 134722151. The reversal of 134722144 is 441227431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123282 + ... + 124369.

It is an arithmetic number, because the mean of its divisors is an integer number (11701557).

Almost surely, 2^134722144 is an apocalyptic number.

It is an amenable number.

134722144 is an abundant number, since it is smaller than the sum of its proper divisors (146115224).

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

134722144 is a wasteful number, since it uses less digits than its factorization.

134722144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247678 (or 247670 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 134722144 is about 11606.9868613693. The cubic root of 134722144 is about 512.6405962863.

Adding to 134722144 its reverse (441227431), we get a palindrome (575949575).

The spelling of 134722144 in words is "one hundred thirty-four million, seven hundred twenty-two thousand, one hundred forty-four".