8940136 has 16 divisors (see below), whose sum is σ = 16835940. Its totient is φ = 4450560.

The previous prime is 8940131. The next prime is 8940143. The reversal of 8940136 is 6310498.

It can be written as a sum of positive squares in 2 ways, for example, as 8940100 + 36 = 2990^2 + 6^2 .

It is a super-5 number, since 5×8940136⁵ (a number of 36 digits) contains 55555 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8940098 and 8940107.

It is not an unprimeable number, because it can be changed into a prime (8940131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 4246.

Almost surely, 2^8940136 is an apocalyptic number.

It is an amenable number.

8940136 is a deficient number, since it is larger than the sum of its proper divisors (7895804).

8940136 is a wasteful number, since it uses less digits than its factorization.

8940136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8940136 is about 2990.0060200608. The cubic root of 8940136 is about 207.5461628556.

It can be divided in two parts, 89401 and 36, that multiplied together give a square (3218436 = 1794²).

The spelling of 8940136 in words is "eight million, nine hundred forty thousand, one hundred thirty-six".