140099651 has 2 divisors, whose sum is σ = 140099652. Its totient is φ = 140099650.

The previous prime is 140099623. The next prime is 140099657. The reversal of 140099651 is 156990041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140099651 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140099657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70049825 + 70049826.

It is an arithmetic number, because the mean of its divisors is an integer number (70049826).

Almost surely, 2^140099651 is an apocalyptic number.

140099651 is a deficient number, since it is larger than the sum of its proper divisors (1).

140099651 is an equidigital number, since it uses as much as digits as its factorization.

140099651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 140099651 is about 11836.3698404536. The cubic root of 140099651 is about 519.3725803063.

The spelling of 140099651 in words is "one hundred forty million, ninety-nine thousand, six hundred fifty-one".