134230126521 has 8 divisors (see below), whose sum is σ = 178979517184. Its totient is φ = 89483743440.

The previous prime is 134230126517. The next prime is 134230126531. The reversal of 134230126521 is 125621032431.

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

It is not a de Polignac number, because 134230126521 - 2² = 134230126517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134230126531) 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, 645610 + ... + 827811.

It is an arithmetic number, because the mean of its divisors is an integer number (22372439648).

Almost surely, 2^134230126521 is an apocalyptic number.

It is an amenable number.

134230126521 is a deficient number, since it is larger than the sum of its proper divisors (44749390663).

134230126521 is a wasteful number, since it uses less digits than its factorization.

134230126521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503791.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 134230126521 its reverse (125621032431), we get a palindrome (259851158952).

The spelling of 134230126521 in words is "one hundred thirty-four billion, two hundred thirty million, one hundred twenty-six thousand, five hundred twenty-one".