133545865061 has 16 divisors (see below), whose sum is σ = 161389820928. Its totient is φ = 108073526400.

The previous prime is 133545865049. The next prime is 133545865073. The reversal of 133545865061 is 160568545331.

It is an interprime number because it is at equal distance from previous prime (133545865049) and next prime (133545865073).

It is not a de Polignac number, because 133545865061 - 2¹⁴ = 133545848677 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133545864997 and 133545865015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133545865031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7496210 + ... + 7514003.

It is an arithmetic number, because the mean of its divisors is an integer number (10086863808).

Almost surely, 2^133545865061 is an apocalyptic number.

It is an amenable number.

133545865061 is a deficient number, since it is larger than the sum of its proper divisors (27843955867).

133545865061 is a wasteful number, since it uses less digits than its factorization.

133545865061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010292.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 133545865061 in words is "one hundred thirty-three billion, five hundred forty-five million, eight hundred sixty-five thousand, sixty-one".