1393496536 has 8 divisors (see below), whose sum is σ = 2612806020. Its totient is φ = 696748264.

The previous prime is 1393496527. The next prime is 1393496543. The reversal of 1393496536 is 6356943931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1393496536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87093526 + ... + 87093541.

Almost surely, 2^1393496536 is an apocalyptic number.

It is an amenable number.

1393496536 is a deficient number, since it is larger than the sum of its proper divisors (1219309484).

1393496536 is a wasteful number, since it uses less digits than its factorization.

1393496536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174187073 (or 174187069 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 49.

The square root of 1393496536 is about 37329.5665123505. The cubic root of 1393496536 is about 1116.9540259144.

The spelling of 1393496536 in words is "one billion, three hundred ninety-three million, four hundred ninety-six thousand, five hundred thirty-six".