134345036521 has 8 divisors (see below), whose sum is σ = 137995205184. Its totient is φ = 130695879600.

The previous prime is 134345036479. The next prime is 134345036531. The reversal of 134345036521 is 125630543431.

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

It is a cyclic number.

It is not a de Polignac number, because 134345036521 - 2¹³ = 134345028329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134345036531) 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, 20196 + ... + 518746.

It is an arithmetic number, because the mean of its divisors is an integer number (17249400648).

Almost surely, 2^134345036521 is an apocalyptic number.

It is an amenable number.

134345036521 is a deficient number, since it is larger than the sum of its proper divisors (3650168663).

134345036521 is an equidigital number, since it uses as much as digits as its factorization.

134345036521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505871.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 134345036521 its reverse (125630543431), we get a palindrome (259975579952).

The spelling of 134345036521 in words is "one hundred thirty-four billion, three hundred forty-five million, thirty-six thousand, five hundred twenty-one".