1131467494 has 4 divisors (see below), whose sum is σ = 1697201244. Its totient is φ = 565733746.

The previous prime is 1131467489. The next prime is 1131467501. The reversal of 1131467494 is 4947641311.

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: 4947641311 = 14983 ⋅330217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282866872 + ... + 282866875.

It is an arithmetic number, because the mean of its divisors is an integer number (424300311).

Almost surely, 2^1131467494 is an apocalyptic number.

1131467494 is a deficient number, since it is larger than the sum of its proper divisors (565733750).

1131467494 is an equidigital number, since it uses as much as digits as its factorization.

1131467494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565733749.

The product of its digits is 72576, while the sum is 40.

The square root of 1131467494 is about 33637.2932026345. The cubic root of 1131467494 is about 1042.0311310654.

The spelling of 1131467494 in words is "one billion, one hundred thirty-one million, four hundred sixty-seven thousand, four hundred ninety-four".