135571948 has 12 divisors (see below), whose sum is σ = 242768680. Its totient is φ = 66209472.

The previous prime is 135571939. The next prime is 135571949. The reversal of 135571948 is 849175531.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (135571949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393933 + ... + 394276.

Almost surely, 2^135571948 is an apocalyptic number.

It is an amenable number.

135571948 is a deficient number, since it is larger than the sum of its proper divisors (107196732).

135571948 is a wasteful number, since it uses less digits than its factorization.

135571948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788256 (or 788254 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 135571948 is about 11643.5367479130. The cubic root of 135571948 is about 513.7162205893.

The spelling of 135571948 in words is "one hundred thirty-five million, five hundred seventy-one thousand, nine hundred forty-eight".