1131400210 has 16 divisors (see below), whose sum is σ = 2050191000. Its totient is φ = 449522176.

The previous prime is 1131400189. The next prime is 1131400213. The reversal of 1131400210 is 120041311.

It can be written as a sum of positive squares in 4 ways, for example, as 510443649 + 620956561 = 22593^2 + 24919^2 .

It is not an unprimeable number, because it can be changed into a prime (1131400213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378175 + ... + 381154.

Almost surely, 2^1131400210 is an apocalyptic number.

1131400210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131400210 is a deficient number, since it is larger than the sum of its proper divisors (918790790).

1131400210 is a wasteful number, since it uses less digits than its factorization.

1131400210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759485.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1131400210 is about 33636.2930478375. The cubic root of 1131400210 is about 1042.0104754676.

Adding to 1131400210 its reverse (120041311), we get a palindrome (1251441521).

The spelling of 1131400210 in words is "one billion, one hundred thirty-one million, four hundred thousand, two hundred ten".