1146131507 has 4 divisors (see below), whose sum is σ = 1174085976. Its totient is φ = 1118177040.

The previous prime is 1146131477. The next prime is 1146131513. The reversal of 1146131507 is 7051316411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7051316411 = 61 ⋅115595351.

It is a cyclic number.

It is not a de Polignac number, because 1146131507 - 2¹⁴ = 1146115123 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 1146131507.

It is not an unprimeable number, because it can be changed into a prime (1146131407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13977173 + ... + 13977254.

It is an arithmetic number, because the mean of its divisors is an integer number (293521494).

Almost surely, 2^1146131507 is an apocalyptic number.

1146131507 is a deficient number, since it is larger than the sum of its proper divisors (27954469).

1146131507 is an equidigital number, since it uses as much as digits as its factorization.

1146131507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27954468.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1146131507 is about 33854.5640497703. The cubic root of 1146131507 is about 1046.5134566991.

Adding to 1146131507 its reverse (7051316411), we get a palindrome (8197447918).

The spelling of 1146131507 in words is "one billion, one hundred forty-six million, one hundred thirty-one thousand, five hundred seven".