1390034377 has 2 divisors, whose sum is σ = 1390034378. Its totient is φ = 1390034376.

The previous prime is 1390034363. The next prime is 1390034407. The reversal of 1390034377 is 7734300931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710702281 + 679332096 = 26659^2 + 26064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1390034377 - 2²⁷ = 1255816649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1390034677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695017188 + 695017189.

It is an arithmetic number, because the mean of its divisors is an integer number (695017189).

Almost surely, 2^1390034377 is an apocalyptic number.

It is an amenable number.

1390034377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390034377 is an equidigital number, since it uses as much as digits as its factorization.

1390034377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 1390034377 is about 37283.1647932415. The cubic root of 1390034377 is about 1116.0282301775.

It can be divided in two parts, 139003 and 4377, that added together give a triangular number (143380 = T₅₃₅).

The spelling of 1390034377 in words is "one billion, three hundred ninety million, thirty-four thousand, three hundred seventy-seven".