133061071 has 16 divisors (see below), whose sum is σ = 156649248. Its totient is φ = 111427200.

The previous prime is 133061063. The next prime is 133061081. The reversal of 133061071 is 170160331.

It is a cyclic number.

It is not a de Polignac number, because 133061071 - 2³ = 133061063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133061041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124881 + ... + 125941.

It is an arithmetic number, because the mean of its divisors is an integer number (9790578).

Almost surely, 2^133061071 is an apocalyptic number.

133061071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133061071 is a deficient number, since it is larger than the sum of its proper divisors (23588177).

133061071 is a wasteful number, since it uses less digits than its factorization.

133061071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 133061071 is about 11535.2100544377. The cubic root of 133061071 is about 510.5249893198.

The spelling of 133061071 in words is "one hundred thirty-three million, sixty-one thousand, seventy-one".