140302079 has 2 divisors, whose sum is σ = 140302080. Its totient is φ = 140302078.

The previous prime is 140302051. The next prime is 140302109. The reversal of 140302079 is 970203041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140302079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140302009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70151039 + 70151040.

It is an arithmetic number, because the mean of its divisors is an integer number (70151040).

Almost surely, 2^140302079 is an apocalyptic number.

140302079 is a deficient number, since it is larger than the sum of its proper divisors (1).

140302079 is an equidigital number, since it uses as much as digits as its factorization.

140302079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 140302079 is about 11844.9178553505. The cubic root of 140302079 is about 519.6226046193.

The spelling of 140302079 in words is "one hundred forty million, three hundred two thousand, seventy-nine".