134863520111 has 16 divisors (see below), whose sum is σ = 139178235168. Its totient is φ = 130584960000.

The previous prime is 134863520093. The next prime is 134863520161. The reversal of 134863520111 is 111025368431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 134863520111 - 2⁶ = 134863520047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134863520161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12262631 + ... + 12273623.

It is an arithmetic number, because the mean of its divisors is an integer number (8698639698).

Almost surely, 2^134863520111 is an apocalyptic number.

134863520111 is a deficient number, since it is larger than the sum of its proper divisors (4314715057).

134863520111 is a wasteful number, since it uses less digits than its factorization.

134863520111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12602.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 134863520111 its reverse (111025368431), we get a palindrome (245888888542).

The spelling of 134863520111 in words is "one hundred thirty-four billion, eight hundred sixty-three million, five hundred twenty thousand, one hundred eleven".