1139851242 has 12 divisors (see below), whose sum is σ = 2469677730. Its totient is φ = 379950408.

The previous prime is 1139851169. The next prime is 1139851247. The reversal of 1139851242 is 2421589311.

1139851242 is a `hidden beast` number, since 1 + 13 + 98 + 512 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1060088481 + 79762761 = 32559^2 + 8931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1139851197 and 1139851206.

It is not an unprimeable number, because it can be changed into a prime (1139851247) 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 5 ways as a sum of consecutive naturals, for example, 31662517 + ... + 31662552.

Almost surely, 2^1139851242 is an apocalyptic number.

1139851242 is an abundant number, since it is smaller than the sum of its proper divisors (1329826488).

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

1139851242 is a wasteful number, since it uses less digits than its factorization.

1139851242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63325077 (or 63325074 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1139851242 is about 33761.6830445403. The cubic root of 1139851242 is about 1044.5984865004.

The spelling of 1139851242 in words is "one billion, one hundred thirty-nine million, eight hundred fifty-one thousand, two hundred forty-two".