135280663 has 8 divisors (see below), whose sum is σ = 156025760. Its totient is φ = 114890400.

The previous prime is 135280657. The next prime is 135280669. The reversal of 135280663 is 366082531.

It is an interprime number because it is at equal distance from previous prime (135280657) and next prime (135280669).

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

It is a cyclic number.

It is not a de Polignac number, because 135280663 - 2¹³ = 135272471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135280669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87888 + ... + 89413.

It is an arithmetic number, because the mean of its divisors is an integer number (19503220).

Almost surely, 2^135280663 is an apocalyptic number.

135280663 is a deficient number, since it is larger than the sum of its proper divisors (20745097).

135280663 is a wasteful number, since it uses less digits than its factorization.

135280663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177417.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 135280663 is about 11631.0215802396. The cubic root of 135280663 is about 513.3480393924.

The spelling of 135280663 in words is "one hundred thirty-five million, two hundred eighty thousand, six hundred sixty-three".