140060993 has 2 divisors, whose sum is σ = 140060994. Its totient is φ = 140060992.

The previous prime is 140060957. The next prime is 140061013. The reversal of 140060993 is 399060041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96196864 + 43864129 = 9808^2 + 6623^2 .

It is an emirp because it is prime and its reverse (399060041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140060993 - 2⁸ = 140060737 is a prime.

It is not a weakly prime, because it can be changed into another prime (140060953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70030496 + 70030497.

It is an arithmetic number, because the mean of its divisors is an integer number (70030497).

Almost surely, 2^140060993 is an apocalyptic number.

It is an amenable number.

140060993 is a deficient number, since it is larger than the sum of its proper divisors (1).

140060993 is an equidigital number, since it uses as much as digits as its factorization.

140060993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 140060993 is about 11834.7367102103. The cubic root of 140060993 is about 519.3248053783.

The spelling of 140060993 in words is "one hundred forty million, sixty thousand, nine hundred ninety-three".