140336066 has 16 divisors (see below), whose sum is σ = 228945528. Its totient is φ = 64128000.

The previous prime is 140336059. The next prime is 140336081. The reversal of 140336066 is 660633041.

140336066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 133980625 + 6355441 = 11575^2 + 2521^2 .

It is a super-2 number, since 2×140336066² = 39388422840712712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24095 + ... + 29346.

Almost surely, 2^140336066 is an apocalyptic number.

140336066 is a deficient number, since it is larger than the sum of its proper divisors (88609462).

140336066 is a wasteful number, since it uses less digits than its factorization.

140336066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53557.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 140336066 is about 11846.3524343994. The cubic root of 140336066 is about 519.6645593021.

The spelling of 140336066 in words is "one hundred forty million, three hundred thirty-six thousand, sixty-six".