133421434402 has 16 divisors (see below), whose sum is σ = 210724270560. Its totient is φ = 63181972512.

The previous prime is 133421434397. The next prime is 133421434423. The reversal of 133421434402 is 204434124331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352068 + ... + 625135.

It is an arithmetic number, because the mean of its divisors is an integer number (13170266910).

Almost surely, 2^133421434402 is an apocalyptic number.

133421434402 is a deficient number, since it is larger than the sum of its proper divisors (77302836158).

133421434402 is a wasteful number, since it uses less digits than its factorization.

133421434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980817.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 133421434402 its reverse (204434124331), we get a palindrome (337855558733).

The spelling of 133421434402 in words is "one hundred thirty-three billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred two".