134121144 has 64 divisors (see below), whose sum is σ = 342835200. Its totient is φ = 43714944.

The previous prime is 134121137. The next prime is 134121151. The reversal of 134121144 is 441121431.

It is an interprime number because it is at equal distance from previous prime (134121137) and next prime (134121151).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 134121144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240514 + ... + 241070.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^134121144 is an apocalyptic number.

It is an amenable number.

134121144 is an abundant number, since it is smaller than the sum of its proper divisors (208714056).

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

134121144 is a wasteful number, since it uses less digits than its factorization.

134121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 768 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 134121144 is about 11581.0683445009. The cubic root of 134121144 is about 511.8771576223.

Adding to 134121144 its reverse (441121431), we get a palindrome (575242575).

It can be divided in two parts, 134 and 121144, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 134121144 in words is "one hundred thirty-four million, one hundred twenty-one thousand, one hundred forty-four".