133040431020501 has 6 divisors (see below), whose sum is σ = 192169511474070. Its totient is φ = 88693620680328.

The previous prime is 133040431020473. The next prime is 133040431020509. The reversal of 133040431020501 is 105020134040331.

It is a happy number.

133040431020501 is a `hidden beast` number, since 13 + 3 + 0 + 4 + 0 + 43 + 102 + 0 + 501 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120394768727025 + 12645662293476 = 10972455^2 + 3556074^2 .

It is not a de Polignac number, because 133040431020501 - 2⁹ = 133040431019989 is a prime.

It is a super-2 number, since 2×133040431020501² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133040431020509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7391135056686 + ... + 7391135056703.

It is an arithmetic number, because the mean of its divisors is an integer number (32028251912345).

Almost surely, 2^{133040431020501} is an apocalyptic number.

It is an amenable number.

133040431020501 is a deficient number, since it is larger than the sum of its proper divisors (59129080453569).

133040431020501 is a wasteful number, since it uses less digits than its factorization.

133040431020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782270113395 (or 14782270113392 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 133040431020501 its reverse (105020134040331), we get a palindrome (238060565060832).

The spelling of 133040431020501 in words is "one hundred thirty-three trillion, forty billion, four hundred thirty-one million, twenty thousand, five hundred one".