135580761515 has 16 divisors (see below), whose sum is σ = 164418563232. Its totient is φ = 107322004224.

The previous prime is 135580761443. The next prime is 135580761571. The reversal of 135580761515 is 515167085531.

It is a cyclic number.

It is not a de Polignac number, because 135580761515 - 2¹⁶ = 135580695979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135580761515.

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, 112064 + ... + 532653.

It is an arithmetic number, because the mean of its divisors is an integer number (10276160202).

Almost surely, 2^135580761515 is an apocalyptic number.

135580761515 is a deficient number, since it is larger than the sum of its proper divisors (28837801717).

135580761515 is a wasteful number, since it uses less digits than its factorization.

135580761515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645166.

The product of its (nonzero) digits is 630000, while the sum is 47.

The spelling of 135580761515 in words is "one hundred thirty-five billion, five hundred eighty million, seven hundred sixty-one thousand, five hundred fifteen".