1375516530 has 24 divisors (see below), whose sum is σ = 3576343212. Its totient is φ = 366804384.

The previous prime is 1375516517. The next prime is 1375516537. The reversal of 1375516530 is 356155731.

1375516530 is a `hidden beast` number, since 1 + 3 + 75 + 51 + 6 + 530 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1334952369 + 40564161 = 36537^2 + 6369^2 .

It is not an unprimeable number, because it can be changed into a prime (1375516537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7641669 + ... + 7641848.

Almost surely, 2^1375516530 is an apocalyptic number.

1375516530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375516530 is an abundant number, since it is smaller than the sum of its proper divisors (2200826682).

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

1375516530 is a wasteful number, since it uses less digits than its factorization.

1375516530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15283530 (or 15283527 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 1375516530 is about 37087.9566705959. The cubic root of 1375516530 is about 1112.1292705719.

The spelling of 1375516530 in words is "one billion, three hundred seventy-five million, five hundred sixteen thousand, five hundred thirty".