135286487745 has 64 divisors (see below), whose sum is σ = 220282675200. Its totient is φ = 70892236800.

The previous prime is 135286487681. The next prime is 135286487771. The reversal of 135286487745 is 547784682531.

It is not a de Polignac number, because 135286487745 - 2⁶ = 135286487681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153559705 + ... + 153560585.

It is an arithmetic number, because the mean of its divisors is an integer number (3441916800).

Almost surely, 2^135286487745 is an apocalyptic number.

135286487745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135286487745 is a deficient number, since it is larger than the sum of its proper divisors (84996187455).

135286487745 is a wasteful number, since it uses less digits than its factorization.

135286487745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

The product of its digits is 45158400, while the sum is 60.

The spelling of 135286487745 in words is "one hundred thirty-five billion, two hundred eighty-six million, four hundred eighty-seven thousand, seven hundred forty-five".