1139540160 has 336 divisors, whose sum is σ = 4144499712. Its totient is φ = 262809600.

The previous prime is 1139540159. The next prime is 1139540177. The reversal of 1139540160 is 610459311.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 19314211 + ... + 19314269.

Almost surely, 2^1139540160 is an apocalyptic number.

1139540160 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 1139540160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2072249856).

1139540160 is an abundant number, since it is smaller than the sum of its proper divisors (3004959552).

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

1139540160 is a wasteful number, since it uses less digits than its factorization.

1139540160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1139540160 is about 33757.0757027323. The cubic root of 1139540160 is about 1044.5034491421.

Adding to 1139540160 its reverse (610459311), we get a palindrome (1749999471).

The spelling of 1139540160 in words is "one billion, one hundred thirty-nine million, five hundred forty thousand, one hundred sixty".