1350512388 has 18 divisors (see below), whose sum is σ = 3413795294. Its totient is φ = 450170784.

The previous prime is 1350512363. The next prime is 1350512431. The reversal of 1350512388 is 8832150531.

1350512388 is a `hidden beast` number, since 13 + 50 + 512 + 3 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1349680644 + 831744 = 36738^2 + 912^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 37514233 = 1350512388 / (1 + 3 + 5 + 0 + 5 + 1 + 2 + 3 + 8 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18757081 + ... + 18757152.

Almost surely, 2^1350512388 is an apocalyptic number.

1350512388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1350512388 is an abundant number, since it is smaller than the sum of its proper divisors (2063282906).

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

1350512388 is a wasteful number, since it uses less digits than its factorization.

1350512388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37514243 (or 37514238 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1350512388 is about 36749.3181977571. The cubic root of 1350512388 is about 1105.3492580932.

The spelling of 1350512388 in words is "one billion, three hundred fifty million, five hundred twelve thousand, three hundred eighty-eight".