1390829533 has 2 divisors, whose sum is σ = 1390829534. Its totient is φ = 1390829532.

The previous prime is 1390829513. The next prime is 1390829537. The reversal of 1390829533 is 3359280931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1386594169 + 4235364 = 37237^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1390829533 - 2⁵ = 1390829501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1390829533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390829537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695414766 + 695414767.

It is an arithmetic number, because the mean of its divisors is an integer number (695414767).

Almost surely, 2^1390829533 is an apocalyptic number.

It is an amenable number.

1390829533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390829533 is an equidigital number, since it uses as much as digits as its factorization.

1390829533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 1390829533 is about 37293.8270093054. The cubic root of 1390829533 is about 1116.2409940724.

The spelling of 1390829533 in words is "one billion, three hundred ninety million, eight hundred twenty-nine thousand, five hundred thirty-three".