1406775640159 has 2 divisors, whose sum is σ = 1406775640160. Its totient is φ = 1406775640158.

The previous prime is 1406775640133. The next prime is 1406775640261. The reversal of 1406775640159 is 9510465776041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406775640159 - 2³¹ = 1404628156511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406775640759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703387820079 + 703387820080.

It is an arithmetic number, because the mean of its divisors is an integer number (703387820080).

Almost surely, 2^{1406775640159} is an apocalyptic number.

1406775640159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406775640159 is an equidigital number, since it uses as much as digits as its factorization.

1406775640159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 1406775640159 in words is "one trillion, four hundred six billion, seven hundred seventy-five million, six hundred forty thousand, one hundred fifty-nine".