135287334 has 288 divisors, whose sum is σ = 418279680. Its totient is φ = 32332608.

The previous prime is 135287333. The next prime is 135287359. The reversal of 135287334 is 433782531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135287333) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5882047 + ... + 5882069.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^135287334 is an apocalyptic number.

135287334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135287334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209139840).

135287334 is an abundant number, since it is smaller than the sum of its proper divisors (282992346).

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

135287334 is a wasteful number, since it uses less digits than its factorization.

135287334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 67 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 135287334 is about 11631.3083528896. The cubic root of 135287334 is about 513.3564773771.

The spelling of 135287334 in words is "one hundred thirty-five million, two hundred eighty-seven thousand, three hundred thirty-four".