1165430136 has 32 divisors (see below), whose sum is σ = 3137697360. Its totient is φ = 358593792.

The previous prime is 1165430131. The next prime is 1165430143. The reversal of 1165430136 is 6310345611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165430131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867365 + ... + 1867988.

Almost surely, 2^1165430136 is an apocalyptic number.

It is an amenable number.

1165430136 is an abundant number, since it is smaller than the sum of its proper divisors (1972267224).

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

1165430136 is a wasteful number, since it uses less digits than its factorization.

1165430136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735375 (or 3735371 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1165430136 is about 34138.3967989125. The cubic root of 1165430136 is about 1052.3545456412.

Adding to 1165430136 its reverse (6310345611), we get a palindrome (7475775747).

The spelling of 1165430136 in words is "one billion, one hundred sixty-five million, four hundred thirty thousand, one hundred thirty-six".