135405234354 has 32 divisors (see below), whose sum is σ = 293499662400. Its totient is φ = 41397774912.

The previous prime is 135405234259. The next prime is 135405234359. The reversal of 135405234354 is 453432504531.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (135405234359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5516304 + ... + 5540795.

It is an arithmetic number, because the mean of its divisors is an integer number (9171864450).

Almost surely, 2^135405234354 is an apocalyptic number.

135405234354 is an abundant number, since it is smaller than the sum of its proper divisors (158094428046).

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

135405234354 is a wasteful number, since it uses less digits than its factorization.

135405234354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057274.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 135405234354 its reverse (453432504531), we get a palindrome (588837738885).

The spelling of 135405234354 in words is "one hundred thirty-five billion, four hundred five million, two hundred thirty-four thousand, three hundred fifty-four".