135664410 has 64 divisors (see below), whose sum is σ = 375466752. Its totient is φ = 30729216.

The previous prime is 135664393. The next prime is 135664433. The reversal of 135664410 is 14466531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20872 + ... + 26588.

It is an arithmetic number, because the mean of its divisors is an integer number (5866668).

Almost surely, 2^135664410 is an apocalyptic number.

135664410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135664410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187733376).

135664410 is an abundant number, since it is smaller than the sum of its proper divisors (239802342).

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

135664410 is a wasteful number, since it uses less digits than its factorization.

135664410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 135664410 is about 11647.5066001269. The cubic root of 135664410 is about 513.8329813096.

The spelling of 135664410 in words is "one hundred thirty-five million, six hundred sixty-four thousand, four hundred ten".