140066099 has 4 divisors (see below), whose sum is σ = 141305736. Its totient is φ = 138826464.

The previous prime is 140066089. The next prime is 140066123. The reversal of 140066099 is 990660041.

140066099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990660041 = 7 ⋅141522863.

It is a cyclic number.

It is not a de Polignac number, because 140066099 - 2²⁰ = 139017523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140066089) 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, 619649 + ... + 619874.

It is an arithmetic number, because the mean of its divisors is an integer number (35326434).

Almost surely, 2^140066099 is an apocalyptic number.

140066099 is a deficient number, since it is larger than the sum of its proper divisors (1239637).

140066099 is a wasteful number, since it uses less digits than its factorization.

140066099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239636.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 140066099 is about 11834.9524291397. The cubic root of 140066099 is about 519.3311160581.

The spelling of 140066099 in words is "one hundred forty million, sixty-six thousand, ninety-nine".