133320543451 has 6 divisors (see below), whose sum is σ = 138076330652. Its totient is φ = 128723282520.

The previous prime is 133320543449. The next prime is 133320543463. The reversal of 133320543451 is 154345023331.

It is not a de Polignac number, because 133320543451 - 2¹ = 133320543449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133350543451) 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, 79262265 + ... + 79263946.

Almost surely, 2^133320543451 is an apocalyptic number.

133320543451 is a deficient number, since it is larger than the sum of its proper divisors (4755787201).

133320543451 is an equidigital number, since it uses as much as digits as its factorization.

133320543451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158526269 (or 158526240 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 133320543451 its reverse (154345023331), we get a palindrome (287665566782).

The spelling of 133320543451 in words is "one hundred thirty-three billion, three hundred twenty million, five hundred forty-three thousand, four hundred fifty-one".