1318690152 has 128 divisors (see below), whose sum is σ = 4072320000. Its totient is φ = 392636160.

The previous prime is 1318690129. The next prime is 1318690189. The reversal of 1318690152 is 2510968131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79474 + ... + 94622.

It is an arithmetic number, because the mean of its divisors is an integer number (31815000).

Almost surely, 2^1318690152 is an apocalyptic number.

1318690152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318690152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2036160000).

1318690152 is an abundant number, since it is smaller than the sum of its proper divisors (2753629848).

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

1318690152 is a wasteful number, since it uses less digits than its factorization.

1318690152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208 (or 15198 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1318690152 is about 36313.7735852390. The cubic root of 1318690152 is about 1096.5983488431.

The spelling of 1318690152 in words is "one billion, three hundred eighteen million, six hundred ninety thousand, one hundred fifty-two".