1139162750 has 32 divisors (see below), whose sum is σ = 2326383072. Its totient is φ = 414240000.

The previous prime is 1139162729. The next prime is 1139162753. The reversal of 1139162750 is 572619311.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1139162750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139162753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204371 + ... + 209870.

It is an arithmetic number, because the mean of its divisors is an integer number (72699471).

Almost surely, 2^1139162750 is an apocalyptic number.

1139162750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139162750 is an abundant number, since it is smaller than the sum of its proper divisors (1187220322).

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

1139162750 is a wasteful number, since it uses less digits than its factorization.

1139162750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414269 (or 414259 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1139162750 is about 33751.4851525085. The cubic root of 1139162750 is about 1044.3881249706.

The spelling of 1139162750 in words is "one billion, one hundred thirty-nine million, one hundred sixty-two thousand, seven hundred fifty".