133203113400 has 96 divisors (see below), whose sum is σ = 471919616640. Its totient is φ = 30446424960.

The previous prime is 133203113383. The next prime is 133203113429. The reversal of 133203113400 is 4311302331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 15853314 + ... + 15861713.

It is an arithmetic number, because the mean of its divisors is an integer number (4915829340).

Almost surely, 2^133203113400 is an apocalyptic number.

133203113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133203113400 is an abundant number, since it is smaller than the sum of its proper divisors (338716503240).

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

133203113400 is a wasteful number, since it uses less digits than its factorization.

133203113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31715053 (or 31715044 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133203113400 its reverse (4311302331), we get a palindrome (137514415731).

It can be divided in two parts, 1332031 and 13400, that added together give a palindrome (1345431).

The spelling of 133203113400 in words is "one hundred thirty-three billion, two hundred three million, one hundred thirteen thousand, four hundred".