140477899 has 2 divisors, whose sum is σ = 140477900. Its totient is φ = 140477898.

The previous prime is 140477891. The next prime is 140477917. The reversal of 140477899 is 998774041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140477899 - 2³ = 140477891 is a prime.

It is not a weakly prime, because it can be changed into another prime (140477891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70238949 + 70238950.

It is an arithmetic number, because the mean of its divisors is an integer number (70238950).

Almost surely, 2^140477899 is an apocalyptic number.

140477899 is a deficient number, since it is larger than the sum of its proper divisors (1).

140477899 is an equidigital number, since it uses as much as digits as its factorization.

140477899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 140477899 is about 11852.3372800473. The cubic root of 140477899 is about 519.8395695919.

It can be divided in two parts, 140477 and 899, that added together give a square (141376 = 376²).

The spelling of 140477899 in words is "one hundred forty million, four hundred seventy-seven thousand, eight hundred ninety-nine".