134343430121 has 8 divisors (see below), whose sum is σ = 142264865160. Its totient is φ = 126424092928.

The previous prime is 134343430049. The next prime is 134343430183. The reversal of 134343430121 is 121034343431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 899340121 + 133444090000 = 29989^2 + 365300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134343430121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134343432121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391646 + ... + 649671.

It is an arithmetic number, because the mean of its divisors is an integer number (17783108145).

Almost surely, 2^134343430121 is an apocalyptic number.

It is an amenable number.

134343430121 is a deficient number, since it is larger than the sum of its proper divisors (7921435039).

134343430121 is a wasteful number, since it uses less digits than its factorization.

134343430121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048923.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 134343430121 its reverse (121034343431), we get a palindrome (255377773552).

The spelling of 134343430121 in words is "one hundred thirty-four billion, three hundred forty-three million, four hundred thirty thousand, one hundred twenty-one".