133121410401 has 16 divisors (see below), whose sum is σ = 202861481984. Its totient is φ = 76065699024.

The previous prime is 133121410397. The next prime is 133121410421. The reversal of 133121410401 is 104014121331.

It is not a de Polignac number, because 133121410401 - 2² = 133121410397 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (133121410421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326250 + ... + 610476.

It is an arithmetic number, because the mean of its divisors is an integer number (12678842624).

Almost surely, 2^133121410401 is an apocalyptic number.

It is an amenable number.

133121410401 is a deficient number, since it is larger than the sum of its proper divisors (69740071583).

133121410401 is a wasteful number, since it uses less digits than its factorization.

133121410401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306540.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 133121410401 its reverse (104014121331), we get a palindrome (237135531732).

The spelling of 133121410401 in words is "one hundred thirty-three billion, one hundred twenty-one million, four hundred ten thousand, four hundred one".