1565113434 has 16 divisors (see below), whose sum is σ = 3176947488. Its totient is φ = 513917712.

The previous prime is 1565113427. The next prime is 1565113447. The reversal of 1565113434 is 4343115651.

It is a happy number.

It is a super-2 number, since 2×1565113434² = 4899160122574544712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1565113395 and 1565113404.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1946257 + ... + 1947060.

It is an arithmetic number, because the mean of its divisors is an integer number (198559218).

Almost surely, 2^1565113434 is an apocalyptic number.

1565113434 is an abundant number, since it is smaller than the sum of its proper divisors (1611834054).

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

1565113434 is a wasteful number, since it uses less digits than its factorization.

1565113434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893389.

The product of its digits is 21600, while the sum is 33.

The square root of 1565113434 is about 39561.5145564474. The cubic root of 1565113434 is about 1161.0438072943.

The spelling of 1565113434 in words is "one billion, five hundred sixty-five million, one hundred thirteen thousand, four hundred thirty-four".