140022977 has 2 divisors, whose sum is σ = 140022978. Its totient is φ = 140022976.

The previous prime is 140022947. The next prime is 140023043. The reversal of 140022977 is 779220041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107350321 + 32672656 = 10361^2 + 5716^2 .

It is a cyclic number.

It is not a de Polignac number, because 140022977 - 2¹² = 140018881 is a prime.

It is not a weakly prime, because it can be changed into another prime (140022947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70011488 + 70011489.

It is an arithmetic number, because the mean of its divisors is an integer number (70011489).

Almost surely, 2^140022977 is an apocalyptic number.

It is an amenable number.

140022977 is a deficient number, since it is larger than the sum of its proper divisors (1).

140022977 is an equidigital number, since it uses as much as digits as its factorization.

140022977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 140022977 is about 11833.1304818294. The cubic root of 140022977 is about 519.2778152829.

The spelling of 140022977 in words is "one hundred forty million, twenty-two thousand, nine hundred seventy-seven".