1318770530 has 48 divisors (see below), whose sum is σ = 2981966400. Its totient is φ = 411042720.

The previous prime is 1318770521. The next prime is 1318770533. The reversal of 1318770530 is 350778131.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1318770533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69380 + ... + 86319.

It is an arithmetic number, because the mean of its divisors is an integer number (62124300).

Almost surely, 2^1318770530 is an apocalyptic number.

1318770530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1318770530 is an abundant number, since it is smaller than the sum of its proper divisors (1663195870).

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

1318770530 is a wasteful number, since it uses less digits than its factorization.

1318770530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155735 (or 155724 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1318770530 is about 36314.8802834320. The cubic root of 1318770530 is about 1096.6206286766.

The spelling of 1318770530 in words is "one billion, three hundred eighteen million, seven hundred seventy thousand, five hundred thirty".