1135140120 has 96 divisors (see below), whose sum is σ = 3696872400. Its totient is φ = 302075136.

The previous prime is 1135140109. The next prime is 1135140143. The reversal of 1135140120 is 210415311.

It is a super-2 number, since 2×1135140120² = 2577086184067228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1135140093 and 1135140102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185266 + ... + 191294.

Almost surely, 2^1135140120 is an apocalyptic number.

1135140120 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 1135140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848436200).

1135140120 is an abundant number, since it is smaller than the sum of its proper divisors (2561732280).

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

1135140120 is a wasteful number, since it uses less digits than its factorization.

1135140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569 (or 6562 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1135140120 is about 33691.8405552442. The cubic root of 1135140120 is about 1043.1573550251.

Adding to 1135140120 its reverse (210415311), we get a palindrome (1345555431).

The spelling of 1135140120 in words is "one billion, one hundred thirty-five million, one hundred forty thousand, one hundred twenty".