134020520015 has 8 divisors (see below), whose sum is σ = 160844207568. Its totient is φ = 107203360320.

The previous prime is 134020519957. The next prime is 134020520057. The reversal of 134020520015 is 510025020431.

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

It is not a de Polignac number, because 134020520015 - 2²⁸ = 133752084559 is a prime.

It is a super-2 number, since 2×134020520015² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586681 + ... + 1669010.

It is an arithmetic number, because the mean of its divisors is an integer number (20105525946).

Almost surely, 2^134020520015 is an apocalyptic number.

134020520015 is a deficient number, since it is larger than the sum of its proper divisors (26823687553).

134020520015 is an equidigital number, since it uses as much as digits as its factorization.

134020520015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263929.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 134020520015 its reverse (510025020431), we get a palindrome (644045540446).

The spelling of 134020520015 in words is "one hundred thirty-four billion, twenty million, five hundred twenty thousand, fifteen".