1165013542 has 32 divisors (see below), whose sum is σ = 2249017344. Its totient is φ = 439257600.

The previous prime is 1165013537. The next prime is 1165013569. The reversal of 1165013542 is 2453105611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165013542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117243 + ... + 126790.

It is an arithmetic number, because the mean of its divisors is an integer number (70281792).

Almost surely, 2^1165013542 is an apocalyptic number.

1165013542 is a deficient number, since it is larger than the sum of its proper divisors (1084003802).

1165013542 is a wasteful number, since it uses less digits than its factorization.

1165013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244084.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1165013542 is about 34132.2947075054. The cubic root of 1165013542 is about 1052.2291393431.

The spelling of 1165013542 in words is "one billion, one hundred sixty-five million, thirteen thousand, five hundred forty-two".