135532947 has 48 divisors (see below), whose sum is σ = 214417280. Its totient is φ = 75841920.

The previous prime is 135532939. The next prime is 135532967. The reversal of 135532947 is 749235531.

It is a happy number.

It is not a de Polignac number, because 135532947 - 2³ = 135532939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135532927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296343 + ... + 296799.

Almost surely, 2^135532947 is an apocalyptic number.

135532947 is a deficient number, since it is larger than the sum of its proper divisors (78884333).

135532947 is a wasteful number, since it uses less digits than its factorization.

135532947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 533 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 135532947 is about 11641.8618356344. The cubic root of 135532947 is about 513.6669543309. Note that the first 3 decimals are identical.

The spelling of 135532947 in words is "one hundred thirty-five million, five hundred thirty-two thousand, nine hundred forty-seven".