1253135160 has 96 divisors (see below), whose sum is σ = 4078226880. Its totient is φ = 333715200.

The previous prime is 1253135159. The next prime is 1253135173. The reversal of 1253135160 is 615313521.

1253135160 is a `hidden beast` number, since 1 + 253 + 1 + 351 + 60 = 666.

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, 326050 + ... + 329870.

It is an arithmetic number, because the mean of its divisors is an integer number (42481530).

Almost surely, 2^1253135160 is an apocalyptic number.

1253135160 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 1253135160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2039113440).

1253135160 is an abundant number, since it is smaller than the sum of its proper divisors (2825091720).

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

1253135160 is a wasteful number, since it uses less digits than its factorization.

1253135160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1253135160 is about 35399.6491508037. The cubic root of 1253135160 is about 1078.1171927853.

Adding to 1253135160 its reverse (615313521), we get a palindrome (1868448681).

The spelling of 1253135160 in words is "one billion, two hundred fifty-three million, one hundred thirty-five thousand, one hundred sixty".