135822361446 has 48 divisors (see below), whose sum is σ = 295663193280. Its totient is φ = 45061854000.

The previous prime is 135822361439. The next prime is 135822361489. The reversal of 135822361446 is 644163228531.

135822361446 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 2 + 23 + 614 + 4 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 6871045 + ... + 6890783.

It is an arithmetic number, because the mean of its divisors is an integer number (6159649860).

Almost surely, 2^135822361446 is an apocalyptic number.

135822361446 is an abundant number, since it is smaller than the sum of its proper divisors (159840831834).

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

135822361446 is a wasteful number, since it uses less digits than its factorization.

135822361446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21521 (or 21518 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

Adding to 135822361446 its reverse (644163228531), we get a palindrome (779985589977).

The spelling of 135822361446 in words is "one hundred thirty-five billion, eight hundred twenty-two million, three hundred sixty-one thousand, four hundred forty-six".