135286487746 has 8 divisors (see below), whose sum is σ = 202933113660. Its totient is φ = 67642116528.

The previous prime is 135286487681. The next prime is 135286487771. The reversal of 135286487746 is 647784682531.

It can be written as a sum of positive squares in 2 ways, for example, as 102800390625 + 32486097121 = 320625^2 + 180239^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404701 + ... + 659056.

Almost surely, 2^135286487746 is an apocalyptic number.

135286487746 is a deficient number, since it is larger than the sum of its proper divisors (67646625914).

135286487746 is a wasteful number, since it uses less digits than its factorization.

135286487746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127348.

The product of its digits is 54190080, while the sum is 61.

The spelling of 135286487746 in words is "one hundred thirty-five billion, two hundred eighty-six million, four hundred eighty-seven thousand, seven hundred forty-six".