135461136 has 80 divisors (see below), whose sum is σ = 360653504. Its totient is φ = 43794432.

The previous prime is 135461129. The next prime is 135461147. The reversal of 135461136 is 631164531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234480 + ... + 235056.

Almost surely, 2^135461136 is an apocalyptic number.

135461136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135461136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180326752).

135461136 is an abundant number, since it is smaller than the sum of its proper divisors (225192368).

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

135461136 is a wasteful number, since it uses less digits than its factorization.

135461136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 135461136 is about 11638.7772553649. Note that the first 3 decimals coincide. The cubic root of 135461136 is about 513.5762175884.

The spelling of 135461136 in words is "one hundred thirty-five million, four hundred sixty-one thousand, one hundred thirty-six".