1393718696 has 8 divisors (see below), whose sum is σ = 2613222570. Its totient is φ = 696859344.

The previous prime is 1393718663. The next prime is 1393718717. The reversal of 1393718696 is 6968173931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1311453796 + 82264900 = 36214^2 + 9070^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87107411 + ... + 87107426.

Almost surely, 2^1393718696 is an apocalyptic number.

It is an amenable number.

1393718696 is a deficient number, since it is larger than the sum of its proper divisors (1219503874).

1393718696 is a wasteful number, since it uses less digits than its factorization.

1393718696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174214843 (or 174214839 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 1393718696 is about 37332.5420511382. The cubic root of 1393718696 is about 1117.0133800437.

The spelling of 1393718696 in words is "one billion, three hundred ninety-three million, seven hundred eighteen thousand, six hundred ninety-six".