135145476 has 48 divisors (see below), whose sum is σ = 353808000. Its totient is φ = 44607456.

The previous prime is 135145457. The next prime is 135145487. The reversal of 135145476 is 674541531.

135145476 is a `hidden beast` number, since 135 + 1 + 454 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135145476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5050 + ... + 17198.

It is an arithmetic number, because the mean of its divisors is an integer number (7371000).

Almost surely, 2^135145476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135145476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176904000).

135145476 is an abundant number, since it is smaller than the sum of its proper divisors (218662524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135145476 is a wasteful number, since it uses less digits than its factorization.

135145476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265 (or 12257 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 135145476 is about 11625.2086432889. The cubic root of 135145476 is about 513.1769848619.

The spelling of 135145476 in words is "one hundred thirty-five million, one hundred forty-five thousand, four hundred seventy-six".