10140469 has 2 divisors, whose sum is σ = 10140470. Its totient is φ = 10140468.

The previous prime is 10140463. The next prime is 10140499. The reversal of 10140469 is 96404101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 2439844 = 2775^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 10140469 - 2¹¹ = 10138421 is a prime.

It is a super-2 number, since 2×10140469² = 205658223079922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10140463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070234 + 5070235.

It is an arithmetic number, because the mean of its divisors is an integer number (5070235).

Almost surely, 2^10140469 is an apocalyptic number.

It is an amenable number.

10140469 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140469 is an equidigital number, since it uses as much as digits as its factorization.

10140469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10140469 is about 3184.4103064775. The cubic root of 10140469 is about 216.4475531086.

It can be divided in two parts, 10140 and 469, that added together give a square (10609 = 103²).

The spelling of 10140469 in words is "ten million, one hundred forty thousand, four hundred sixty-nine".