134151411523 has 4 divisors (see below), whose sum is σ = 134727168888. Its totient is φ = 133575654160.

The previous prime is 134151411521. The next prime is 134151411539. The reversal of 134151411523 is 325114151431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134151411523 - 2¹ = 134151411521 is a prime.

It is a super-2 number, since 2×134151411523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134151411521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287878333 + ... + 287878798.

It is an arithmetic number, because the mean of its divisors is an integer number (33681792222).

Almost surely, 2^134151411523 is an apocalyptic number.

134151411523 is a deficient number, since it is larger than the sum of its proper divisors (575757365).

134151411523 is an equidigital number, since it uses as much as digits as its factorization.

134151411523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575757364.

The product of its digits is 7200, while the sum is 31.

Adding to 134151411523 its reverse (325114151431), we get a palindrome (459265562954).

The spelling of 134151411523 in words is "one hundred thirty-four billion, one hundred fifty-one million, four hundred eleven thousand, five hundred twenty-three".