133822813842 has 48 divisors (see below), whose sum is σ = 307885195800. Its totient is φ = 41863297536.

The previous prime is 133822813837. The next prime is 133822813847. The reversal of 133822813842 is 248318228331.

133822813842 is a `hidden beast` number, since 1 + 338 + 2 + 281 + 38 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (133822813837) and next prime (133822813847).

It can be written as a sum of positive squares in 4 ways, for example, as 133808908401 + 13905441 = 365799^2 + 3729^2 .

It is not an unprimeable number, because it can be changed into a prime (133822813847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519753 + ... + 733340.

Almost surely, 2^133822813842 is an apocalyptic number.

133822813842 is an abundant number, since it is smaller than the sum of its proper divisors (174062381958).

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

133822813842 is a wasteful number, since it uses less digits than its factorization.

133822813842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253467 (or 1253464 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 133822813842 in words is "one hundred thirty-three billion, eight hundred twenty-two million, eight hundred thirteen thousand, eight hundred forty-two".