135420515151545 has 16 divisors (see below), whose sum is σ = 175104464747520. Its totient is φ = 99945989774784.

The previous prime is 135420515151469. The next prime is 135420515151637. The reversal of 135420515151545 is 545151515024531.

It is a cyclic number.

It is not a de Polignac number, because 135420515151545 - 2¹⁴ = 135420515135161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135420515151545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592095029 + ... + 592323698.

It is an arithmetic number, because the mean of its divisors is an integer number (10944029046720).

Almost surely, 2^{135420515151545} is an apocalyptic number.

It is an amenable number.

135420515151545 is a deficient number, since it is larger than the sum of its proper divisors (39683949595975).

135420515151545 is a wasteful number, since it uses less digits than its factorization.

135420515151545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184420504.

The product of its (nonzero) digits is 1500000, while the sum is 47.

The spelling of 135420515151545 in words is "one hundred thirty-five trillion, four hundred twenty billion, five hundred fifteen million, one hundred fifty-one thousand, five hundred forty-five".