133421434434 has 12 divisors (see below), whose sum is σ = 289079774646. Its totient is φ = 44473811472.

The previous prime is 133421434429. The next prime is 133421434469. The reversal of 133421434434 is 434434124331.

133421434434 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 214 + 3 + 4 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126689724225 + 6731710209 = 355935^2 + 82047^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3706150939 + ... + 3706150974.

Almost surely, 2^133421434434 is an apocalyptic number.

133421434434 is an abundant number, since it is smaller than the sum of its proper divisors (155658340212).

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

133421434434 is a wasteful number, since it uses less digits than its factorization.

133421434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412301921 (or 7412301918 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 133421434434 its reverse (434434124331), we get a palindrome (567855558765).

The spelling of 133421434434 in words is "one hundred thirty-three billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty-four".