1136729918 has 16 divisors (see below), whose sum is σ = 1713323040. Its totient is φ = 565629696.

The previous prime is 1136729911. The next prime is 1136729933. The reversal of 1136729918 is 8199276311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136729911) 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, 399830 + ... + 402662.

It is an arithmetic number, because the mean of its divisors is an integer number (107082690).

Almost surely, 2^1136729918 is an apocalyptic number.

1136729918 is a deficient number, since it is larger than the sum of its proper divisors (576593122).

1136729918 is a wasteful number, since it uses less digits than its factorization.

1136729918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its digits is 163296, while the sum is 47.

The square root of 1136729918 is about 33715.4255200791. The cubic root of 1136729918 is about 1043.6441189737.

The spelling of 1136729918 in words is "one billion, one hundred thirty-six million, seven hundred twenty-nine thousand, nine hundred eighteen".