1144660136 has 16 divisors (see below), whose sum is σ = 2239552800. Its totient is φ = 547446064.

The previous prime is 1144660123. The next prime is 1144660163. The reversal of 1144660136 is 6310664411.

It is a super-3 number, since 3×1144660136³ (a number of 28 digits) contains 333 as substring.

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, 3110306 + ... + 3110673.

It is an arithmetic number, because the mean of its divisors is an integer number (139972050).

Almost surely, 2^1144660136 is an apocalyptic number.

It is an amenable number.

1144660136 is a deficient number, since it is larger than the sum of its proper divisors (1094892664).

1144660136 is a wasteful number, since it uses less digits than its factorization.

1144660136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221008 (or 6221004 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1144660136 is about 33832.8263081877. The cubic root of 1144660136 is about 1046.0654368650.

The spelling of 1144660136 in words is "one billion, one hundred forty-four million, six hundred sixty thousand, one hundred thirty-six".