10639154 has 16 divisors (see below), whose sum is σ = 16267608. Its totient is φ = 5217792.

The previous prime is 10639147. The next prime is 10639157. The reversal of 10639154 is 45193601.

It can be written as a sum of positive squares in 4 ways, for example, as 8614225 + 2024929 = 2935^2 + 1423^2 .

It is a super-2 number, since 2×10639154² = 226383195671432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10639157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33404 + ... + 33720.

Almost surely, 2^10639154 is an apocalyptic number.

10639154 is a deficient number, since it is larger than the sum of its proper divisors (5628454).

10639154 is a wasteful number, since it uses less digits than its factorization.

10639154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 10639154 is about 3261.7716045119. The cubic root of 10639154 is about 219.9390602563.

The spelling of 10639154 in words is "ten million, six hundred thirty-nine thousand, one hundred fifty-four".