1139423050 has 24 divisors (see below), whose sum is σ = 2192409900. Its totient is φ = 440052480.

The previous prime is 1139423039. The next prime is 1139423057. The reversal of 1139423050 is 503249311.

It can be written as a sum of positive squares in 6 ways, for example, as 167417721 + 972005329 = 12939^2 + 31177^2 .

It is not an unprimeable number, because it can be changed into a prime (1139423057) 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, 391455 + ... + 394354.

Almost surely, 2^1139423050 is an apocalyptic number.

1139423050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139423050 is a deficient number, since it is larger than the sum of its proper divisors (1052986850).

1139423050 is a wasteful number, since it uses less digits than its factorization.

1139423050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785850 (or 785845 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1139423050 is about 33755.3410588606. The cubic root of 1139423050 is about 1044.4676668755.

The spelling of 1139423050 in words is "one billion, one hundred thirty-nine million, four hundred twenty-three thousand, fifty".