20135147734273 has 8 divisors (see below), whose sum is σ = 23655278457216. Its totient is φ = 16896627469200.

The previous prime is 20135147734271. The next prime is 20135147734279. The reversal of 20135147734273 is 37243774153102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20135147734273 - 2¹ = 20135147734271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20135147734271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70402614313 + ... + 70402614598.

It is an arithmetic number, because the mean of its divisors is an integer number (2956909807152).

Almost surely, 2^{20135147734273} is an apocalyptic number.

It is an amenable number.

20135147734273 is a deficient number, since it is larger than the sum of its proper divisors (3520130722943).

20135147734273 is a wasteful number, since it uses less digits than its factorization.

20135147734273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140805228935.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 20135147734273 in words is "twenty trillion, one hundred thirty-five billion, one hundred forty-seven million, seven hundred thirty-four thousand, two hundred seventy-three".