10140490 has 36 divisors (see below), whose sum is σ = 19634454. Its totient is φ = 3770208.

The previous prime is 10140469. The next prime is 10140499. The reversal of 10140490 is 9404101.

It can be written as a sum of positive squares in 3 ways, for example, as 9591409 + 549081 = 3097^2 + 741^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (10140499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 191304 + ... + 191356.

Almost surely, 2^10140490 is an apocalyptic number.

10140490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10140490 is a deficient number, since it is larger than the sum of its proper divisors (9493964).

10140490 is an equidigital number, since it uses as much as digits as its factorization.

10140490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 79 counting only the distinct ones).

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

The square root of 10140490 is about 3184.4136037896. The cubic root of 10140490 is about 216.4477025229.

Adding to 10140490 its reverse (9404101), we get a palindrome (19544591).

The spelling of 10140490 in words is "ten million, one hundred forty thousand, four hundred ninety".