1253129336 has 16 divisors (see below), whose sum is σ = 2365389000. Its totient is φ = 622358944.

The previous prime is 1253129329. The next prime is 1253129393. The reversal of 1253129336 is 6339213521.

It is a junction number, because it is equal to n+sod(n) for n = 1253129296 and 1253129305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524450 + ... + 526833.

Almost surely, 2^1253129336 is an apocalyptic number.

It is an amenable number.

1253129336 is a deficient number, since it is larger than the sum of its proper divisors (1112259664).

1253129336 is a wasteful number, since it uses less digits than its factorization.

1253129336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051438 (or 1051434 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 1253129336 is about 35399.5668900059. The cubic root of 1253129336 is about 1078.1155225839.

The spelling of 1253129336 in words is "one billion, two hundred fifty-three million, one hundred twenty-nine thousand, three hundred thirty-six".