133531404651533 has 8 divisors (see below), whose sum is σ = 152724981385152. Its totient is φ = 114367243363776.

The previous prime is 133531404651527. The next prime is 133531404651559. The reversal of 133531404651533 is 335156404135331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133531404651533 - 2¹² = 133531404647437 is a prime.

It is a super-2 number, since 2×133531404651533² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133531404651523) 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, 7353851735 + ... + 7353869892.

It is an arithmetic number, because the mean of its divisors is an integer number (19090622673144).

Almost surely, 2^{133531404651533} is an apocalyptic number.

It is an amenable number.

133531404651533 is a deficient number, since it is larger than the sum of its proper divisors (19193576733619).

133531404651533 is a wasteful number, since it uses less digits than its factorization.

133531404651533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14707722931.

The product of its (nonzero) digits is 2916000, while the sum is 47.

Adding to 133531404651533 its reverse (335156404135331), we get a palindrome (468687808786864).

The spelling of 133531404651533 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, four hundred four million, six hundred fifty-one thousand, five hundred thirty-three".