135479240 has 128 divisors (see below), whose sum is σ = 344615040. Its totient is φ = 47609856.

The previous prime is 135479219. The next prime is 135479249. The reversal of 135479240 is 42974531.

135479240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135479240.

It is not an unprimeable number, because it can be changed into a prime (135479249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1632239 + ... + 1632321.

It is an arithmetic number, because the mean of its divisors is an integer number (2692305).

Almost surely, 2^135479240 is an apocalyptic number.

135479240 is a gapful number since it is divisible by the number (10) 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 135479240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172307520).

135479240 is an abundant number, since it is smaller than the sum of its proper divisors (209135800).

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

135479240 is a wasteful number, since it uses less digits than its factorization.

135479240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 135479240 is about 11639.5549743107. The cubic root of 135479240 is about 513.5990959085.

The spelling of 135479240 in words is "one hundred thirty-five million, four hundred seventy-nine thousand, two hundred forty".