133800404 has 24 divisors (see below), whose sum is σ = 251072640. Its totient is φ = 62165376.

The previous prime is 133800367. The next prime is 133800409. The reversal of 133800404 is 404008331.

It is a super-2 number, since 2×133800404² = 35805096221126432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133800404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133800409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 17825.

It is an arithmetic number, because the mean of its divisors is an integer number (10461360).

Almost surely, 2^133800404 is an apocalyptic number.

It is an amenable number.

133800404 is a deficient number, since it is larger than the sum of its proper divisors (117272236).

133800404 is a wasteful number, since it uses less digits than its factorization.

133800404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25007 (or 25005 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 133800404 is about 11567.2124559031. The cubic root of 133800404 is about 511.4687941512.

Adding to 133800404 its reverse (404008331), we get a palindrome (537808735).

The spelling of 133800404 in words is "one hundred thirty-three million, eight hundred thousand, four hundred four".