1162763140 has 192 divisors, whose sum is σ = 3273984000. Its totient is φ = 342921600.

The previous prime is 1162763113. The next prime is 1162763143. The reversal of 1162763140 is 413672611.

It is not an unprimeable number, because it can be changed into a prime (1162763143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433335 + ... + 1434145.

It is an arithmetic number, because the mean of its divisors is an integer number (17052000).

Almost surely, 2^1162763140 is an apocalyptic number.

1162763140 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 1162763140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636992000).

1162763140 is an abundant number, since it is smaller than the sum of its proper divisors (2111220860).

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

1162763140 is a wasteful number, since it uses less digits than its factorization.

1162763140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1162763140 is about 34099.3128963034. The cubic root of 1162763140 is about 1051.5511887468.

The spelling of 1162763140 in words is "one billion, one hundred sixty-two million, seven hundred sixty-three thousand, one hundred forty".