140422973 has 2 divisors, whose sum is σ = 140422974. Its totient is φ = 140422972.

The previous prime is 140422951. The next prime is 140422987. The reversal of 140422973 is 379224041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91450969 + 48972004 = 9563^2 + 6998^2 .

It is a cyclic number.

It is not a de Polignac number, because 140422973 - 2¹⁰ = 140421949 is a prime.

It is a super-2 number, since 2×140422973² = 39437222692317458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140422913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211486 + 70211487.

It is an arithmetic number, because the mean of its divisors is an integer number (70211487).

Almost surely, 2^140422973 is an apocalyptic number.

It is an amenable number.

140422973 is a deficient number, since it is larger than the sum of its proper divisors (1).

140422973 is an equidigital number, since it uses as much as digits as its factorization.

140422973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140422973 is about 11850.0199577891. The cubic root of 140422973 is about 519.7718093950.

The spelling of 140422973 in words is "one hundred forty million, four hundred twenty-two thousand, nine hundred seventy-three".