1144928136 has 48 divisors (see below), whose sum is σ = 3146194800. Its totient is φ = 346947040.

The previous prime is 1144928089. The next prime is 1144928159. The reversal of 1144928136 is 6318294411.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1144928094 and 1144928103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194226 + ... + 200033.

It is an arithmetic number, because the mean of its divisors is an integer number (65545725).

Almost surely, 2^1144928136 is an apocalyptic number.

It is an amenable number.

1144928136 is an abundant number, since it is smaller than the sum of its proper divisors (2001266664).

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

1144928136 is a wasteful number, since it uses less digits than its factorization.

1144928136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394290 (or 394275 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 1144928136 is about 33836.7867268746. The cubic root of 1144928136 is about 1046.1470691481.

The spelling of 1144928136 in words is "one billion, one hundred forty-four million, nine hundred twenty-eight thousand, one hundred thirty-six".