10131490 has 32 divisors (see below), whose sum is σ = 19646064. Its totient is φ = 3747840.

The previous prime is 10131481. The next prime is 10131491. The reversal of 10131490 is 9413101.

It is a happy number.

It is a Cunningham number, because it is equal to 3183²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 5461569 + 4669921 = 2337^2 + 2161^2 .

It is not an unprimeable number, because it can be changed into a prime (10131491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9882 + ... + 10858.

Almost surely, 2^10131490 is an apocalyptic number.

10131490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10131490 is a deficient number, since it is larger than the sum of its proper divisors (9514574).

10131490 is a wasteful number, since it uses less digits than its factorization.

10131490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 10131490 is about 3183.0001570845. Note that the first 3 decimals coincide. The cubic root of 10131490 is about 216.3836488819.

Adding to 10131490 its reverse (9413101), we get a palindrome (19544591).

The spelling of 10131490 in words is "ten million, one hundred thirty-one thousand, four hundred ninety".