20146131135707 has 32 divisors (see below), whose sum is σ = 21386130520320. Its totient is φ = 18924991303680.

The previous prime is 20146131135703. The next prime is 20146131135769. The reversal of 20146131135707 is 70753113164102.

It is a cyclic number.

It is not a de Polignac number, because 20146131135707 - 2² = 20146131135703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146131135701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931946963 + ... + 931968579.

It is an arithmetic number, because the mean of its divisors is an integer number (668316578760).

Almost surely, 2^{20146131135707} is an apocalyptic number.

20146131135707 is a deficient number, since it is larger than the sum of its proper divisors (1239999384613).

20146131135707 is a wasteful number, since it uses less digits than its factorization.

20146131135707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22763.

The product of its (nonzero) digits is 105840, while the sum is 41.

Adding to 20146131135707 its reverse (70753113164102), we get a palindrome (90899244299809).

The spelling of 20146131135707 in words is "twenty trillion, one hundred forty-six billion, one hundred thirty-one million, one hundred thirty-five thousand, seven hundred seven".