1542782133 has 40 divisors (see below), whose sum is σ = 2349916800. Its totient is φ = 1008469440.

The previous prime is 1542782099. The next prime is 1542782161. The reversal of 1542782133 is 3312872451.

1542782133 is a `hidden beast` number, since 1 + 542 + 7 + 82 + 1 + 33 = 666.

It is not a de Polignac number, because 1542782133 - 2⁹ = 1542781621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542782173) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1470193 + ... + 1471241.

It is an arithmetic number, because the mean of its divisors is an integer number (58747920).

Almost surely, 2^1542782133 is an apocalyptic number.

It is an amenable number.

1542782133 is a deficient number, since it is larger than the sum of its proper divisors (807134667).

1542782133 is a wasteful number, since it uses less digits than its factorization.

1542782133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1390 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1542782133 is about 39278.2654021279. The cubic root of 1542782133 is about 1155.4953449606.

The spelling of 1542782133 in words is "one billion, five hundred forty-two million, seven hundred eighty-two thousand, one hundred thirty-three".