1131400162 has 16 divisors (see below), whose sum is σ = 1718612280. Its totient is φ = 558565632.

The previous prime is 1131400157. The next prime is 1131400181. The reversal of 1131400162 is 2610041311.

It can be written as a sum of positive squares in 4 ways, for example, as 1062825201 + 68574961 = 32601^2 + 8281^2 .

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, 55018 + ... + 72730.

Almost surely, 2^1131400162 is an apocalyptic number.

1131400162 is a deficient number, since it is larger than the sum of its proper divisors (587212118).

1131400162 is a wasteful number, since it uses less digits than its factorization.

1131400162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18117.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1131400162 is about 33636.2923343225. The cubic root of 1131400162 is about 1042.0104607318.

Adding to 1131400162 its reverse (2610041311), we get a palindrome (3741441473).

The spelling of 1131400162 in words is "one billion, one hundred thirty-one million, four hundred thousand, one hundred sixty-two".