42207907136 has 28 divisors (see below), whose sum is σ = 83767429620. Its totient is φ = 21101153280.

The previous prime is 42207907127. The next prime is 42207907169. The reversal of 42207907136 is 63170970224.

It can be written as a sum of positive squares in 2 ways, for example, as 12020929600 + 30186977536 = 109640^2 + 173744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42207907093 and 42207907102.

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, 493466 + ... + 572646.

It is an arithmetic number, because the mean of its divisors is an integer number (2991693915).

Almost surely, 2^42207907136 is an apocalyptic number.

It is an amenable number.

42207907136 is a deficient number, since it is larger than the sum of its proper divisors (41559522484).

42207907136 is an equidigital number, since it uses as much as digits as its factorization.

42207907136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87522 (or 87512 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 42207907136 in words is "forty-two billion, two hundred seven million, nine hundred seven thousand, one hundred thirty-six".