1245316336 has 20 divisors (see below), whose sum is σ = 2632146264. Its totient is φ = 566052800.

The previous prime is 1245316333. The next prime is 1245316399. The reversal of 1245316336 is 6336135421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245316333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537655 + ... + 3538006.

Almost surely, 2^1245316336 is an apocalyptic number.

1245316336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1245316336 is an abundant number, since it is smaller than the sum of its proper divisors (1386829928).

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

1245316336 is a wasteful number, since it uses less digits than its factorization.

1245316336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075680 (or 7075674 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 1245316336 is about 35289.0398849274. The cubic root of 1245316336 is about 1075.8702413510.

The spelling of 1245316336 in words is "one billion, two hundred forty-five million, three hundred sixteen thousand, three hundred thirty-six".