1395861029 has 2 divisors, whose sum is σ = 1395861030. Its totient is φ = 1395861028.

The previous prime is 1395861017. The next prime is 1395861059. The reversal of 1395861029 is 9201685931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011112804 + 384748225 = 31798^2 + 19615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395861029 - 2⁴ = 1395861013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395861059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697930514 + 697930515.

It is an arithmetic number, because the mean of its divisors is an integer number (697930515).

Almost surely, 2^1395861029 is an apocalyptic number.

It is an amenable number.

1395861029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395861029 is an equidigital number, since it uses as much as digits as its factorization.

1395861029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1395861029 is about 37361.2236014829. The cubic root of 1395861029 is about 1117.5854202864.

The spelling of 1395861029 in words is "one billion, three hundred ninety-five million, eight hundred sixty-one thousand, twenty-nine".