133054531 has 2 divisors, whose sum is σ = 133054532. Its totient is φ = 133054530.

The previous prime is 133054507. The next prime is 133054613. The reversal of 133054531 is 135450331.

It is a weak prime.

It is an emirp because it is prime and its reverse (135450331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133054531 - 2¹⁹ = 132530243 is a prime.

It is a super-2 number, since 2×133054531² = 35407016439259922, which contains 22 as substring.

It is equal to p_7541512 and since 133054531 and 7541512 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 133054496 and 133054505.

It is not a weakly prime, because it can be changed into another prime (133054231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66527265 + 66527266.

It is an arithmetic number, because the mean of its divisors is an integer number (66527266).

Almost surely, 2^133054531 is an apocalyptic number.

133054531 is a deficient number, since it is larger than the sum of its proper divisors (1).

133054531 is an equidigital number, since it uses as much as digits as its factorization.

133054531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 133054531 is about 11534.9265710710. The cubic root of 133054531 is about 510.5166250198.

The spelling of 133054531 in words is "one hundred thirty-three million, fifty-four thousand, five hundred thirty-one".