1393509036 has 12 divisors (see below), whose sum is σ = 3251521112. Its totient is φ = 464503008.

The previous prime is 1393509017. The next prime is 1393509049. The reversal of 1393509036 is 6309053931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1393508985 and 1393509003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58062865 + ... + 58062888.

Almost surely, 2^1393509036 is an apocalyptic number.

It is an amenable number.

1393509036 is an abundant number, since it is smaller than the sum of its proper divisors (1858012076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1393509036 is a wasteful number, since it uses less digits than its factorization.

1393509036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116125760 (or 116125758 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 39.

The square root of 1393509036 is about 37329.7339395823. The cubic root of 1393509036 is about 1116.9573656868.

The spelling of 1393509036 in words is "one billion, three hundred ninety-three million, five hundred nine thousand, thirty-six".