1542240133 has 32 divisors (see below), whose sum is σ = 1842462720. Its totient is φ = 1263600000.

The previous prime is 1542240131. The next prime is 1542240169. The reversal of 1542240133 is 3310422451.

It is a cyclic number.

It is not a de Polignac number, because 1542240133 - 2¹ = 1542240131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542240098 and 1542240107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542240131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5690788 + ... + 5691058.

It is an arithmetic number, because the mean of its divisors is an integer number (57576960).

Almost surely, 2^1542240133 is an apocalyptic number.

It is an amenable number.

1542240133 is a deficient number, since it is larger than the sum of its proper divisors (300222587).

1542240133 is a wasteful number, since it uses less digits than its factorization.

1542240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1542240133 is about 39271.3653060344. The cubic root of 1542240133 is about 1155.3600154547.

Adding to 1542240133 its reverse (3310422451), we get a palindrome (4852662584).

It can be divided in two parts, 15422 and 40133, that added together give a palindrome (55555).

The spelling of 1542240133 in words is "one billion, five hundred forty-two million, two hundred forty thousand, one hundred thirty-three".