135618340326 has 32 divisors (see below), whose sum is σ = 320673911040. Its totient is φ = 37411955616.

The previous prime is 135618340309. The next prime is 135618340339. The reversal of 135618340326 is 623043816531.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55671336 + ... + 55673771.

It is an arithmetic number, because the mean of its divisors is an integer number (10021059720).

Almost surely, 2^135618340326 is an apocalyptic number.

135618340326 is an abundant number, since it is smaller than the sum of its proper divisors (185055570714).

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

135618340326 is a wasteful number, since it uses less digits than its factorization.

135618340326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111345148.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 135618340326 in words is "one hundred thirty-five billion, six hundred eighteen million, three hundred forty thousand, three hundred twenty-six".