140922889 has 2 divisors, whose sum is σ = 140922890. Its totient is φ = 140922888.

The previous prime is 140922853. The next prime is 140922907. The reversal of 140922889 is 988229041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 53406864 = 9355^2 + 7308^2 .

It is a cyclic number.

It is not a de Polignac number, because 140922889 - 2⁹ = 140922377 is a prime.

It is not a weakly prime, because it can be changed into another prime (140923889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70461444 + 70461445.

It is an arithmetic number, because the mean of its divisors is an integer number (70461445).

Almost surely, 2^140922889 is an apocalyptic number.

It is an amenable number.

140922889 is a deficient number, since it is larger than the sum of its proper divisors (1).

140922889 is an equidigital number, since it uses as much as digits as its factorization.

140922889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 140922889 is about 11871.0946841477. The cubic root of 140922889 is about 520.3878873636.

The spelling of 140922889 in words is "one hundred forty million, nine hundred twenty-two thousand, eight hundred eighty-nine".