1153140212 has 24 divisors (see below), whose sum is σ = 2327445120. Its totient is φ = 489667680.

The previous prime is 1153140179. The next prime is 1153140221. The reversal of 1153140212 is 2120413511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185864 + ... + 191967.

It is an arithmetic number, because the mean of its divisors is an integer number (96976880).

Almost surely, 2^1153140212 is an apocalyptic number.

It is an amenable number.

1153140212 is an abundant number, since it is smaller than the sum of its proper divisors (1174304908).

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

1153140212 is a wasteful number, since it uses less digits than its factorization.

1153140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377951 (or 377949 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1153140212 is about 33957.9182518599. The cubic root of 1153140212 is about 1048.6423002129.

Adding to 1153140212 its reverse (2120413511), we get a palindrome (3273553723).

The spelling of 1153140212 in words is "one billion, one hundred fifty-three million, one hundred forty thousand, two hundred twelve".