133060993 has 4 divisors (see below), whose sum is σ = 143296468. Its totient is φ = 122825520.

The previous prime is 133060981. The next prime is 133060997. The reversal of 133060993 is 399060331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399060331 = 1787 ⋅223313.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 123276609 = 3128^2 + 11103^2 .

It is a cyclic number.

It is not a de Polignac number, because 133060993 - 2¹⁷ = 132929921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133060997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117718 + ... + 5117743.

It is an arithmetic number, because the mean of its divisors is an integer number (35824117).

Almost surely, 2^133060993 is an apocalyptic number.

133060993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133060993 is a deficient number, since it is larger than the sum of its proper divisors (10235475).

133060993 is a wasteful number, since it uses less digits than its factorization.

133060993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235474.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 133060993 is about 11535.2066734844. The cubic root of 133060993 is about 510.5248895637.

The spelling of 133060993 in words is "one hundred thirty-three million, sixty thousand, nine hundred ninety-three".