140513983 has 2 divisors, whose sum is σ = 140513984. Its totient is φ = 140513982.

The previous prime is 140513963. The next prime is 140514007. The reversal of 140513983 is 389315041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140513983 - 2⁵ = 140513951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140513953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70256991 + 70256992.

It is an arithmetic number, because the mean of its divisors is an integer number (70256992).

Almost surely, 2^140513983 is an apocalyptic number.

140513983 is a deficient number, since it is larger than the sum of its proper divisors (1).

140513983 is an equidigital number, since it uses as much as digits as its factorization.

140513983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 140513983 is about 11853.8594137100. The cubic root of 140513983 is about 519.8840754900.

The spelling of 140513983 in words is "one hundred forty million, five hundred thirteen thousand, nine hundred eighty-three".