1131542006 has 24 divisors (see below), whose sum is σ = 1977946056. Its totient is φ = 484081920.

The previous prime is 1131542003. The next prime is 1131542057. The reversal of 1131542006 is 6002451311.

1131542006 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×1131542006² = 2560774622685008072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131542003) 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 11 ways as a sum of consecutive naturals, for example, 46541 + ... + 66551.

It is an arithmetic number, because the mean of its divisors is an integer number (82414419).

Almost surely, 2^1131542006 is an apocalyptic number.

1131542006 is a deficient number, since it is larger than the sum of its proper divisors (846404050).

1131542006 is a wasteful number, since it uses less digits than its factorization.

1131542006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20604 (or 20597 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1131542006 is about 33638.4007646024. The cubic root of 1131542006 is about 1042.0540046403.

Adding to 1131542006 its reverse (6002451311), we get a palindrome (7133993317).

The spelling of 1131542006 in words is "one billion, one hundred thirty-one million, five hundred forty-two thousand, six".