133142401200 has 120 divisors (see below), whose sum is σ = 448946910400. Its totient is φ = 33635969280.

The previous prime is 133142401169. The next prime is 133142401211. The reversal of 133142401200 is 2104241331.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×133142401200³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2896990 + ... + 2942589.

Almost surely, 2^133142401200 is an apocalyptic number.

133142401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133142401200 is an abundant number, since it is smaller than the sum of its proper divisors (315804509200).

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

133142401200 is a wasteful number, since it uses less digits than its factorization.

133142401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839619 (or 5839608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 133142401200 its reverse (2104241331), we get a palindrome (135246642531).

The spelling of 133142401200 in words is "one hundred thirty-three billion, one hundred forty-two million, four hundred one thousand, two hundred".