135344664 has 216 divisors, whose sum is σ = 463762260. Its totient is φ = 35538048.

The previous prime is 135344659. The next prime is 135344683. The reversal of 135344664 is 466443531.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 596119 + ... + 596345.

Almost surely, 2^135344664 is an apocalyptic number.

135344664 is a gapful number since it is divisible by the number (14) 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 135344664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231881130).

135344664 is an abundant number, since it is smaller than the sum of its proper divisors (328417596).

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

135344664 is a wasteful number, since it uses less digits than its factorization.

135344664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 252 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 135344664 is about 11633.7725609537. The cubic root of 135344664 is about 513.4289812588.

The spelling of 135344664 in words is "one hundred thirty-five million, three hundred forty-four thousand, six hundred sixty-four".