1318730452 has 48 divisors (see below), whose sum is σ = 2607721984. Its totient is φ = 579312000.

The previous prime is 1318730447. The next prime is 1318730459. The reversal of 1318730452 is 2540378131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318730459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91627 + ... + 105037.

Almost surely, 2^1318730452 is an apocalyptic number.

It is an amenable number.

1318730452 is a deficient number, since it is larger than the sum of its proper divisors (1288991532).

1318730452 is a wasteful number, since it uses less digits than its factorization.

1318730452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520 (or 13518 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1318730452 is about 36314.3284668738. The cubic root of 1318730452 is about 1096.6095196409.

The spelling of 1318730452 in words is "one billion, three hundred eighteen million, seven hundred thirty thousand, four hundred fifty-two".