135553140 has 72 divisors (see below), whose sum is σ = 412470240. Its totient is φ = 36033984.

The previous prime is 135553097. The next prime is 135553147. The reversal of 135553140 is 41355531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135553147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67227 + ... + 69213.

Almost surely, 2^135553140 is an apocalyptic number.

135553140 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 135553140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206235120).

135553140 is an abundant number, since it is smaller than the sum of its proper divisors (276917100).

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

135553140 is a wasteful number, since it uses less digits than its factorization.

135553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 135553140 is about 11642.7290615216. The cubic root of 135553140 is about 513.6924634093.

The spelling of 135553140 in words is "one hundred thirty-five million, five hundred fifty-three thousand, one hundred forty".