10131489 has 9 divisors (see below), whose sum is σ = 14648179. Its totient is φ = 6747960.

The previous prime is 10131481. The next prime is 10131491. The reversal of 10131489 is 98413101.

The square root of 10131489 is 3183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6671889 + 3459600 = 2583^2 + 1860^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10131489 - 2³ = 10131481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9019 + ... + 10079.

Almost surely, 2^10131489 is an apocalyptic number.

10131489 is the 3183-rd square number.

10131489 is the 1592-nd centered octagonal number.

It is an amenable number.

10131489 is a deficient number, since it is larger than the sum of its proper divisors (4516690).

10131489 is an frugal number, since it uses more digits than its factorization.

10131489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The cubic root of 10131489 is about 216.3836417627.

The spelling of 10131489 in words is "ten million, one hundred thirty-one thousand, four hundred eighty-nine".