245712107136 has 64 divisors (see below), whose sum is σ = 652919323680. Its totient is φ = 81873097728.

The previous prime is 245712107111. The next prime is 245712107141. The reversal of 245712107136 is 631701217542.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 245712107094 and 245712107103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908455 + ... + 1147481.

Almost surely, 2^245712107136 is an apocalyptic number.

It is an amenable number.

245712107136 is an abundant number, since it is smaller than the sum of its proper divisors (407207216544).

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

245712107136 is a wasteful number, since it uses less digits than its factorization.

245712107136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241721 (or 241709 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 245712107136 in words is "two hundred forty-five billion, seven hundred twelve million, one hundred seven thousand, one hundred thirty-six".