134015123130421 has 4 divisors (see below), whose sum is σ = 144323978755852. Its totient is φ = 123706267504992.

The previous prime is 134015123130403. The next prime is 134015123130431. The reversal of 134015123130421 is 124031321510431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11329350128100 + 122685773002321 = 3365910^2 + 11076361^2 .

It is a cyclic number.

It is not a de Polignac number, because 134015123130421 - 2⁵ = 134015123130389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134015123130431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154427812696 + ... + 5154427812721.

It is an arithmetic number, because the mean of its divisors is an integer number (36080994688963).

Almost surely, 2^{134015123130421} is an apocalyptic number.

It is an amenable number.

134015123130421 is a deficient number, since it is larger than the sum of its proper divisors (10308855625431).

134015123130421 is a wasteful number, since it uses less digits than its factorization.

134015123130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308855625430.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 134015123130421 its reverse (124031321510431), we get a palindrome (258046444640852).

The spelling of 134015123130421 in words is "one hundred thirty-four trillion, fifteen billion, one hundred twenty-three million, one hundred thirty thousand, four hundred twenty-one".