1139262930 has 96 divisors (see below), whose sum is σ = 3276275184. Its totient is φ = 272844288.

The previous prime is 1139262911. The next prime is 1139262937. The reversal of 1139262930 is 392629311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 608559561 + 530703369 = 24669^2 + 23037^2 .

It is not an unprimeable number, because it can be changed into a prime (1139262937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30132 + ... + 56448.

Almost surely, 2^1139262930 is an apocalyptic number.

1139262930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139262930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638137592).

1139262930 is an abundant number, since it is smaller than the sum of its proper divisors (2137012254).

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

1139262930 is a wasteful number, since it uses less digits than its factorization.

1139262930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26380 (or 26377 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1139262930 is about 33752.9692027235. The cubic root of 1139262930 is about 1044.4187391901.

It can be divided in two parts, 1 and 139262930, that added together give a palindrome (139262931).

The spelling of 1139262930 in words is "one billion, one hundred thirty-nine million, two hundred sixty-two thousand, nine hundred thirty".