140292877 has 2 divisors, whose sum is σ = 140292878. Its totient is φ = 140292876.

The previous prime is 140292869. The next prime is 140292881. The reversal of 140292877 is 778292041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109223401 + 31069476 = 10451^2 + 5574^2 .

It is a cyclic number.

It is not a de Polignac number, because 140292877 - 2³ = 140292869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140292277) 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, 70146438 + 70146439.

It is an arithmetic number, because the mean of its divisors is an integer number (70146439).

Almost surely, 2^140292877 is an apocalyptic number.

It is an amenable number.

140292877 is a deficient number, since it is larger than the sum of its proper divisors (1).

140292877 is an equidigital number, since it uses as much as digits as its factorization.

140292877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 140292877 is about 11844.5294123490. The cubic root of 140292877 is about 519.6112441991.

The spelling of 140292877 in words is "one hundred forty million, two hundred ninety-two thousand, eight hundred seventy-seven".