135351963 has 12 divisors (see below), whose sum is σ = 199668768. Its totient is φ = 88314480.

The previous prime is 135351929. The next prime is 135351971. The reversal of 135351963 is 369153531.

135351963 is a `hidden beast` number, since 135 + 3 + 519 + 6 + 3 = 666.

It is not a de Polignac number, because 135351963 - 2¹⁰ = 135350939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135351973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159568 + ... + 160413.

It is an arithmetic number, because the mean of its divisors is an integer number (16639064).

Almost surely, 2^135351963 is an apocalyptic number.

135351963 is a deficient number, since it is larger than the sum of its proper divisors (64316805).

135351963 is a wasteful number, since it uses less digits than its factorization.

135351963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320034 (or 320031 counting only the distinct ones).

The product of its digits is 36450, while the sum is 36.

The square root of 135351963 is about 11634.0862554822. The cubic root of 135351963 is about 513.4382106604.

The spelling of 135351963 in words is "one hundred thirty-five million, three hundred fifty-one thousand, nine hundred sixty-three".