1352765189 has 4 divisors (see below), whose sum is σ = 1361844300. Its totient is φ = 1343686080.

The previous prime is 1352765179. The next prime is 1352765203. The reversal of 1352765189 is 9815672531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9815672531 = 7 ⋅1402238933.

It can be written as a sum of positive squares in 2 ways, for example, as 785849089 + 566916100 = 28033^2 + 23810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352765189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352765129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4539332 + ... + 4539629.

It is an arithmetic number, because the mean of its divisors is an integer number (340461075).

Almost surely, 2^1352765189 is an apocalyptic number.

It is an amenable number.

1352765189 is a deficient number, since it is larger than the sum of its proper divisors (9079111).

1352765189 is an equidigital number, since it uses as much as digits as its factorization.

1352765189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079110.

The product of its digits is 453600, while the sum is 47.

The square root of 1352765189 is about 36779.9563485331. The cubic root of 1352765189 is about 1105.9635307733.

The spelling of 1352765189 in words is "one billion, three hundred fifty-two million, seven hundred sixty-five thousand, one hundred eighty-nine".