1393360537 has 8 divisors (see below), whose sum is σ = 1406925000. Its totient is φ = 1379852544.

The previous prime is 1393360517. The next prime is 1393360547. The reversal of 1393360537 is 7350633931.

It can be written as a sum of positive squares in 4 ways, for example, as 6245001 + 1387115536 = 2499^2 + 37244^2 .

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 1393360537 - 2²⁷ = 1259142809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1393360537.

It is not an unprimeable number, because it can be changed into a prime (1393360517) 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 in 7 ways as a sum of consecutive naturals, for example, 36339 + ... + 64087.

It is an arithmetic number, because the mean of its divisors is an integer number (175865625).

Almost surely, 2^1393360537 is an apocalyptic number.

It is an amenable number.

1393360537 is a deficient number, since it is larger than the sum of its proper divisors (13564463).

1393360537 is a wasteful number, since it uses less digits than its factorization.

1393360537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28235.

The product of its (nonzero) digits is 153090, while the sum is 40.

The square root of 1393360537 is about 37327.7448689309. The cubic root of 1393360537 is about 1116.9176881677.

The spelling of 1393360537 in words is "one billion, three hundred ninety-three million, three hundred sixty thousand, five hundred thirty-seven".