1139745200 has 60 divisors (see below), whose sum is σ = 2987180088. Its totient is φ = 414451200.

The previous prime is 1139745193. The next prime is 1139745203. The reversal of 1139745200 is 25479311.

It is not an unprimeable number, because it can be changed into a prime (1139745203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125117 + ... + 133916.

Almost surely, 2^1139745200 is an apocalyptic number.

1139745200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139745200 is an abundant number, since it is smaller than the sum of its proper divisors (1847434888).

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

1139745200 is a wasteful number, since it uses less digits than its factorization.

1139745200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259062 (or 259051 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1139745200 is about 33760.1125590541. The cubic root of 1139745200 is about 1044.5660919960.

The spelling of 1139745200 in words is "one billion, one hundred thirty-nine million, seven hundred forty-five thousand, two hundred".