133531146061 has 8 divisors (see below), whose sum is σ = 136840302648. Its totient is φ = 130224480000.

The previous prime is 133531146059. The next prime is 133531146097. The reversal of 133531146061 is 160641135331.

It can be written as a sum of positive squares in 4 ways, for example, as 68790436 + 133462355625 = 8294^2 + 365325^2 .

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 133531146061 - 2¹ = 133531146059 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 (133531146031) 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, 513840 + ... + 728761.

It is an arithmetic number, because the mean of its divisors is an integer number (17105037831).

Almost surely, 2^133531146061 is an apocalyptic number.

It is an amenable number.

133531146061 is a deficient number, since it is larger than the sum of its proper divisors (3309156587).

133531146061 is a wasteful number, since it uses less digits than its factorization.

133531146061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245263.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 133531146061 in words is "one hundred thirty-three billion, five hundred thirty-one million, one hundred forty-six thousand, sixty-one".