135405213445 has 8 divisors (see below), whose sum is σ = 164911424544. Its totient is φ = 106707391824.

The previous prime is 135405213407. The next prime is 135405213487. The reversal of 135405213445 is 544312504531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135405213445 - 2¹³ = 135405205253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202096999 + ... + 202097668.

It is an arithmetic number, because the mean of its divisors is an integer number (20613928068).

Almost surely, 2^135405213445 is an apocalyptic number.

It is an amenable number.

135405213445 is a deficient number, since it is larger than the sum of its proper divisors (29506211099).

135405213445 is an equidigital number, since it uses as much as digits as its factorization.

135405213445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404194739.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 135405213445 its reverse (544312504531), we get a palindrome (679717717976).

The spelling of 135405213445 in words is "one hundred thirty-five billion, four hundred five million, two hundred thirteen thousand, four hundred forty-five".