1146131506 has 16 divisors (see below), whose sum is σ = 1857371544. Its totient is φ = 527289984.

The previous prime is 1146131477. The next prime is 1146131513. The reversal of 1146131506 is 6051316411.

It can be written as a sum of positive squares in 4 ways, for example, as 747530281 + 398601225 = 27341^2 + 19965^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62281 + ... + 78556.

Almost surely, 2^1146131506 is an apocalyptic number.

1146131506 is a deficient number, since it is larger than the sum of its proper divisors (711240038).

1146131506 is a wasteful number, since it uses less digits than its factorization.

1146131506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141165.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1146131506 is about 33854.5640350012. The cubic root of 1146131506 is about 1046.5134563947.

Adding to 1146131506 its reverse (6051316411), we get a palindrome (7197447917).

The spelling of 1146131506 in words is "one billion, one hundred forty-six million, one hundred thirty-one thousand, five hundred six".