1393102429 has 8 divisors (see below), whose sum is σ = 1432194008. Its totient is φ = 1354086720.

The previous prime is 1393102423. The next prime is 1393102481. The reversal of 1393102429 is 9242013931.

It can be written as a sum of positive squares in 4 ways, for example, as 822370329 + 570732100 = 28677^2 + 23890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1393102429 - 2⁷ = 1393102301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1393102394 and 1393102403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393102423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19339 + ... + 56215.

It is an arithmetic number, because the mean of its divisors is an integer number (179024251).

Almost surely, 2^1393102429 is an apocalyptic number.

It is an amenable number.

1393102429 is a deficient number, since it is larger than the sum of its proper divisors (39091579).

1393102429 is a wasteful number, since it uses less digits than its factorization.

1393102429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37935.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1393102429 is about 37324.2873877051. The cubic root of 1393102429 is about 1116.8487174585.

The spelling of 1393102429 in words is "one billion, three hundred ninety-three million, one hundred two thousand, four hundred twenty-nine".