140540299 has 2 divisors, whose sum is σ = 140540300. Its totient is φ = 140540298.

The previous prime is 140540273. The next prime is 140540303. The reversal of 140540299 is 992045041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140540299 - 2²¹ = 138443147 is a prime.

It is not a weakly prime, because it can be changed into another prime (140540219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70270149 + 70270150.

It is an arithmetic number, because the mean of its divisors is an integer number (70270150).

Almost surely, 2^140540299 is an apocalyptic number.

140540299 is a deficient number, since it is larger than the sum of its proper divisors (1).

140540299 is an equidigital number, since it uses as much as digits as its factorization.

140540299 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 140540299 is about 11854.9693799689. The cubic root of 140540299 is about 519.9165287615.

The spelling of 140540299 in words is "one hundred forty million, five hundred forty thousand, two hundred ninety-nine".