140557099 has 2 divisors, whose sum is σ = 140557100. Its totient is φ = 140557098.

The previous prime is 140557093. The next prime is 140557103. The reversal of 140557099 is 990755041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140557099 - 2⁹ = 140556587 is a prime.

It is not a weakly prime, because it can be changed into another prime (140557093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70278549 + 70278550.

It is an arithmetic number, because the mean of its divisors is an integer number (70278550).

Almost surely, 2^140557099 is an apocalyptic number.

140557099 is a deficient number, since it is larger than the sum of its proper divisors (1).

140557099 is an equidigital number, since it uses as much as digits as its factorization.

140557099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 140557099 is about 11855.6779224134. The cubic root of 140557099 is about 519.9372446457.

The spelling of 140557099 in words is "one hundred forty million, five hundred fifty-seven thousand, ninety-nine".