133019485 has 4 divisors (see below), whose sum is σ = 159623388. Its totient is φ = 106415584.

The previous prime is 133019473. The next prime is 133019507. The reversal of 133019485 is 584910331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584910331 = 317 ⋅1845143.

It can be written as a sum of positive squares in 2 ways, for example, as 89075844 + 43943641 = 9438^2 + 6629^2 .

It is a cyclic number.

It is not a de Polignac number, because 133019485 - 2⁹ = 133018973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133019485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13301944 + ... + 13301953.

It is an arithmetic number, because the mean of its divisors is an integer number (39905847).

Almost surely, 2^133019485 is an apocalyptic number.

It is an amenable number.

133019485 is a deficient number, since it is larger than the sum of its proper divisors (26603903).

133019485 is an equidigital number, since it uses as much as digits as its factorization.

133019485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603902.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 133019485 is about 11533.4073456199. The cubic root of 133019485 is about 510.4717984448.

The spelling of 133019485 in words is "one hundred thirty-three million, nineteen thousand, four hundred eighty-five".