1139500950 has 96 divisors (see below), whose sum is σ = 3246982656. Its totient is φ = 259061760.

The previous prime is 1139500949. The next prime is 1139500961. The reversal of 1139500950 is 590059311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199839 + ... + 205461.

It is an arithmetic number, because the mean of its divisors is an integer number (33822736).

Almost surely, 2^1139500950 is an apocalyptic number.

1139500950 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 1139500950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623491328).

1139500950 is an abundant number, since it is smaller than the sum of its proper divisors (2107481706).

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

1139500950 is a wasteful number, since it uses less digits than its factorization.

1139500950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 1139500950 is about 33756.4949306056. The cubic root of 1139500950 is about 1044.4914690319.

The spelling of 1139500950 in words is "one billion, one hundred thirty-nine million, five hundred thousand, nine hundred fifty".