135423345541 has 4 divisors (see below), whose sum is σ = 147734558784. Its totient is φ = 123112132300.

The previous prime is 135423345529. The next prime is 135423345571. The reversal of 135423345541 is 145543324531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135423345541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135423345494 and 135423345503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135423345511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6155606605 + ... + 6155606626.

It is an arithmetic number, because the mean of its divisors is an integer number (36933639696).

Almost surely, 2^135423345541 is an apocalyptic number.

135423345541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135423345541 is a deficient number, since it is larger than the sum of its proper divisors (12311213243).

135423345541 is a wasteful number, since it uses less digits than its factorization.

135423345541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12311213242.

The product of its digits is 432000, while the sum is 40.

The spelling of 135423345541 in words is "one hundred thirty-five billion, four hundred twenty-three million, three hundred forty-five thousand, five hundred forty-one".