1139351040 has 120 divisors (see below), whose sum is σ = 3945972888. Its totient is φ = 303820800.

The previous prime is 1139350981. The next prime is 1139351051. The reversal of 1139351040 is 401539311.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 1139350995 and 1139351013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686 + ... + 47765.

Almost surely, 2^1139351040 is an apocalyptic number.

1139351040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139351040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972986444).

1139351040 is an abundant number, since it is smaller than the sum of its proper divisors (2806621848).

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

1139351040 is an equidigital number, since it uses as much as digits as its factorization.

1139351040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49480 (or 49461 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1139351040 is about 33754.2743959932. The cubic root of 1139351040 is about 1044.4456634293.

The spelling of 1139351040 in words is "one billion, one hundred thirty-nine million, three hundred fifty-one thousand, forty".