135589240 has 32 divisors (see below), whose sum is σ = 309635280. Its totient is φ = 53425152.

The previous prime is 135589231. The next prime is 135589249. The reversal of 135589240 is 42985531.

It is an interprime number because it is at equal distance from previous prime (135589231) and next prime (135589249).

It is a self number, because there is not a number n which added to its sum of digits gives 135589240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135589249) 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 7 ways as a sum of consecutive naturals, for example, 22617 + ... + 27976.

Almost surely, 2^135589240 is an apocalyptic number.

135589240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135589240 is an abundant number, since it is smaller than the sum of its proper divisors (174046040).

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

135589240 is a wasteful number, since it uses less digits than its factorization.

135589240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50671 (or 50667 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 135589240 is about 11644.2792821196. The cubic root of 135589240 is about 513.7380609070.

The spelling of 135589240 in words is "one hundred thirty-five million, five hundred eighty-nine thousand, two hundred forty".