140304089 has 2 divisors, whose sum is σ = 140304090. Its totient is φ = 140304088.

The previous prime is 140304019. The next prime is 140304107. The reversal of 140304089 is 980403041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140304025 + 64 = 11845^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 140304089 - 2⁸ = 140303833 is a prime.

It is not a weakly prime, because it can be changed into another prime (140304019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70152044 + 70152045.

It is an arithmetic number, because the mean of its divisors is an integer number (70152045).

Almost surely, 2^140304089 is an apocalyptic number.

It is an amenable number.

140304089 is a deficient number, since it is larger than the sum of its proper divisors (1).

140304089 is an equidigital number, since it uses as much as digits as its factorization.

140304089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140304089 is about 11845.0027015615. The cubic root of 140304089 is about 519.6250860186.

The spelling of 140304089 in words is "one hundred forty million, three hundred four thousand, eighty-nine".