133025313441 has 4 divisors (see below), whose sum is σ = 177367084592. Its totient is φ = 88683542292.

The previous prime is 133025313437. The next prime is 133025313461. The reversal of 133025313441 is 144313520331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144313520331 = 3 ⋅48104506777.

It is not a de Polignac number, because 133025313441 - 2² = 133025313437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133025313399 and 133025313408.

It is not an unprimeable number, because it can be changed into a prime (133025313401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22170885571 + ... + 22170885576.

It is an arithmetic number, because the mean of its divisors is an integer number (44341771148).

Almost surely, 2^133025313441 is an apocalyptic number.

It is an amenable number.

133025313441 is a deficient number, since it is larger than the sum of its proper divisors (44341771151).

133025313441 is an equidigital number, since it uses as much as digits as its factorization.

133025313441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44341771150.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 133025313441 its reverse (144313520331), we get a palindrome (277338833772).

The spelling of 133025313441 in words is "one hundred thirty-three billion, twenty-five million, three hundred thirteen thousand, four hundred forty-one".