134401415515 has 16 divisors (see below), whose sum is σ = 168365869056. Its totient is φ = 102802348000.

The previous prime is 134401415507. The next prime is 134401415543. The reversal of 134401415515 is 515514104431.

It is not a de Polignac number, because 134401415515 - 2³ = 134401415507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21810 + ... + 518920.

It is an arithmetic number, because the mean of its divisors is an integer number (10522866816).

Almost surely, 2^134401415515 is an apocalyptic number.

134401415515 is a deficient number, since it is larger than the sum of its proper divisors (33964453541).

134401415515 is a wasteful number, since it uses less digits than its factorization.

134401415515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499490.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 134401415515 its reverse (515514104431), we get a palindrome (649915519946).

The spelling of 134401415515 in words is "one hundred thirty-four billion, four hundred one million, four hundred fifteen thousand, five hundred fifteen".