140622679 has 2 divisors, whose sum is σ = 140622680. Its totient is φ = 140622678.

The previous prime is 140622659. The next prime is 140622683. The reversal of 140622679 is 976226041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140622679 - 2⁷ = 140622551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140622619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70311339 + 70311340.

It is an arithmetic number, because the mean of its divisors is an integer number (70311340).

Almost surely, 2^140622679 is an apocalyptic number.

140622679 is a deficient number, since it is larger than the sum of its proper divisors (1).

140622679 is an equidigital number, since it uses as much as digits as its factorization.

140622679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 140622679 is about 11858.4433632750. The cubic root of 140622679 is about 520.0180947845.

The spelling of 140622679 in words is "one hundred forty million, six hundred twenty-two thousand, six hundred seventy-nine".