140099659 has 4 divisors (see below), whose sum is σ = 160113904. Its totient is φ = 120085416.

The previous prime is 140099657. The next prime is 140099677. The reversal of 140099659 is 956990041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140099659 - 2¹ = 140099657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140099651) 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 3 ways as a sum of consecutive naturals, for example, 10007112 + ... + 10007125.

It is an arithmetic number, because the mean of its divisors is an integer number (40028476).

Almost surely, 2^140099659 is an apocalyptic number.

140099659 is a deficient number, since it is larger than the sum of its proper divisors (20014245).

140099659 is an equidigital number, since it uses as much as digits as its factorization.

140099659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014244.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 140099659 is about 11836.3701783951. The cubic root of 140099659 is about 519.3725901920.

The spelling of 140099659 in words is "one hundred forty million, ninety-nine thousand, six hundred fifty-nine".