1393249036 has 12 divisors (see below), whose sum is σ = 2449742680. Its totient is φ = 693322560.

The previous prime is 1393248971. The next prime is 1393249139. The reversal of 1393249036 is 6309423931.

It is a super-2 number, since 2×1393249036² = 3882285752629858592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1393249036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824541 + ... + 826228.

Almost surely, 2^1393249036 is an apocalyptic number.

It is an amenable number.

1393249036 is a deficient number, since it is larger than the sum of its proper divisors (1056493644).

1393249036 is a wasteful number, since it uses less digits than its factorization.

1393249036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650984 (or 1650982 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 1393249036 is about 37326.2512985164. The cubic root of 1393249036 is about 1116.8878943089.

The spelling of 1393249036 in words is "one billion, three hundred ninety-three million, two hundred forty-nine thousand, thirty-six".