1165536142 has 8 divisors (see below), whose sum is σ = 1772928432. Its totient is φ = 574560000.

The previous prime is 1165536139. The next prime is 1165536157. The reversal of 1165536142 is 2416355611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1165536098 and 1165536107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4103859 + ... + 4104142.

It is an arithmetic number, because the mean of its divisors is an integer number (221616054).

Almost surely, 2^1165536142 is an apocalyptic number.

1165536142 is a deficient number, since it is larger than the sum of its proper divisors (607392290).

1165536142 is an equidigital number, since it uses as much as digits as its factorization.

1165536142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208074.

The product of its digits is 21600, while the sum is 34.

The square root of 1165536142 is about 34139.9493555570. The cubic root of 1165536142 is about 1052.3864516046.

It can be divided in two parts, 116553614 and 2, that added together give a square (116553616 = 10796²).

The spelling of 1165536142 in words is "one billion, one hundred sixty-five million, five hundred thirty-six thousand, one hundred forty-two".