140310431477 has 2 divisors, whose sum is σ = 140310431478. Its totient is φ = 140310431476.

The previous prime is 140310431411. The next prime is 140310431483. The reversal of 140310431477 is 774134013041.

It is a happy number.

140310431477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124382477041 + 15927954436 = 352679^2 + 126206^2 .

It is a cyclic number.

It is not a de Polignac number, because 140310431477 - 2¹⁸ = 140310169333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140310421477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70155215738 + 70155215739.

It is an arithmetic number, because the mean of its divisors is an integer number (70155215739).

Almost surely, 2^140310431477 is an apocalyptic number.

It is an amenable number.

140310431477 is a deficient number, since it is larger than the sum of its proper divisors (1).

140310431477 is an equidigital number, since it uses as much as digits as its factorization.

140310431477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

It can be divided in two parts, 140310 and 431477, that added together give a cube (571787 = 83³).

The spelling of 140310431477 in words is "one hundred forty billion, three hundred ten million, four hundred thirty-one thousand, four hundred seventy-seven".