133703212406 has 4 divisors (see below), whose sum is σ = 200554818612. Its totient is φ = 66851606202.

The previous prime is 133703212393. The next prime is 133703212411. The reversal of 133703212406 is 604212307331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33425803100 + ... + 33425803103.

It is an arithmetic number, because the mean of its divisors is an integer number (50138704653).

Almost surely, 2^133703212406 is an apocalyptic number.

133703212406 is a deficient number, since it is larger than the sum of its proper divisors (66851606206).

133703212406 is an equidigital number, since it uses as much as digits as its factorization.

133703212406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66851606205.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 133703212406 its reverse (604212307331), we get a palindrome (737915519737).

The spelling of 133703212406 in words is "one hundred thirty-three billion, seven hundred three million, two hundred twelve thousand, four hundred six".