133210403420 has 24 divisors (see below), whose sum is σ = 279909728784. Its totient is φ = 53252183936.

The previous prime is 133210403419. The next prime is 133210403449. The reversal of 133210403420 is 24304012331.

It is a congruent number.

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, 1964417 + ... + 2031096.

It is an arithmetic number, because the mean of its divisors is an integer number (11662905366).

Almost surely, 2^133210403420 is an apocalyptic number.

133210403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133210403420 is an abundant number, since it is smaller than the sum of its proper divisors (146699325364).

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

133210403420 is a wasteful number, since it uses less digits than its factorization.

133210403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997189 (or 3997187 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 133210403420 its reverse (24304012331), we get a palindrome (157514415751).

The spelling of 133210403420 in words is "one hundred thirty-three billion, two hundred ten million, four hundred three thousand, four hundred twenty".